USA Today reported that Parkfield, California is dubbed the world's earthquake capital because it sits on top of the notorious San Andreas fault. Since 1857, Parkfield has had a major earthquake on an average of 2. 0 times every 22 years.



(d) Compute the probability of at least one major earthquake in the next 49 years. Round


λ


to the nearest hundredth, and use a calculator. (Use 4 decimal places. )



(e) Compute the probability of no major earthquakes in the next 49 years. Round


λ


to the nearest hundredth, and use a calculator. (Use 4 decimal places. )

Answers

Answer 1

(d) Probability of at least one major earthquake in the next 49 years is 0.9884, and (e) the probability of no major earthquakes in the next 49 years is 0.0116.

We will use the Poisson distribution to compute the probabilities. First, we need to find the value of λ (average number of earthquakes in a given time period).

(d) Compute the probability of at least one major earthquake in the next 49 years:

1. Calculate λ for 49 years:

(2.0 earthquakes / 22 years) * 49 years = 4.45 (rounded to the nearest hundredth)

2. Compute the probability of no major earthquakes (P(0)) in the next 49 years using Poisson distribution formula:

P(0) = (e^(-λ) * (λ^0)) / 0! = (e^(-4.45) * (4.45^0)) / 1 = 0.0116 (rounded to 4 decimal places)

3. Compute the probability of at least one major earthquake:

P(at least 1) = 1 - P(0) = 1 - 0.0116 = 0.9884

So, the probability of at least one major earthquake in the next 49 years is 0.9884 (rounded to 4 decimal places).

(e) Compute the probability of no major earthquakes in the next 49 years:

As calculated in step (d), the probability of no major earthquakes in the next 49 years is 0.0116 (rounded to 4 decimal places).

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Related Questions

at the end of a football game, the players were given the choice of having a bottle of water or a bottle of juice. Of all the players, 14 chose bottle of water, which was 2/3 of the total number of players.Write and solve an equation to determine p, the total number of players on the team

Answers

Answer:Therefore, the total number of players on the team is 21.

Step-by-step explanation:Let's start by using algebra to represent the information given in the problem.

Let p be the total number of players on the team.

The number of players who chose water is given as 14.

This is also equal to 2/3 of the total number of players, so we can write:

14 = (2/3) * p

To solve for p, we can isolate it on one side of the equation by multiplying both sides by the reciprocal of 2/3, which is 3/2:

14 * (3/2) = (2/3) * p * (3/2)

21 = p

What is the difference between factored form and non-factored form?

Answers

Factored form is a way of expressing a polynomial as a produce of factors, place each factor is a polynomial accompanying a degree of 1 or greater.

Factored form, on the other hand, is the polynomial terms written in polynomial  expanded form, outside any universal factors.

What is the difference?

Factored and non-factored forms are ways to express polynomial expressions, which involve variables raised to non-negative integer powers with constant coefficients. X² + 3x + 2 is a polynomial expression.

Factored form is expressing it as a product of factors with a degree of 1 or greater. The polynomial x² + 3x + 2 can be factored as (x + 1)(x + 2). Non-factored form is the expanded expression without common factors. The polynomial (x + 1)(x + 2) can be expressed as x² + 3x + 2 in non-factored form. Factored form is a product of factors, while non-factored form is the expanded form without common factors.

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Malia had 15 lb of birdseed. She fed her birds 5 lb of birdseed every day until all the birdseed was gone. For how many days did Malia feed the birdseed to her birds? A.20 days B. 3 days C.90 days D.75 days​

Answers

Answer:

B

Step-by-step explanation:

15 pounds and 5 pounds per day so to figure out how many days you do division. The equation is 15÷5=3 so the answer is 3 days.

Unit 7: Right Triangles & Trigonometry Homework 4: Trigonometry Ratios & Finding Missing Sides #13

Answers

The value of sides are KL=5.34, JK=16.434, JL=17.29 and ML=22.25.

∵ ΔJLM is a right triangle, as ∠MJL=90°

tan(∠JML)= JL/JM            [∵ tan∅=perpendicular/hypotenuse]

⇒ tan(51°)=JL/14

⇒ JL=14×tan(51°)

       = 14×1.23

       = 17.29

JL=17.29

Again, ΔJKL is a right triangle, with ∠JKL=90°

cos(∠JLK)=KL/JL              [∵ cos∅=base/hypotenuse]

⇒cos(72°)= KL/17.29

⇒KL=17.29×cos(72°)

       = 17.29×0.309

        = 5.34

KL=5.34

Hence, the value of KL is 5.34.

Also, tan(∠JLK)=KJ/KL

⇒tan(72°)=JK/5.34

⇒JK=5.34×tan(72°)

       = 5.34×3.077

       = 16.434

JK=16.434

And, cos(∠JML)=JM/ML

⇒cos(51°)=14/ML

⇒ML=14/cos(51°)

        =14/.629

        =22.25

ML=22.25

Hence, the value of sides are KL=5.34, JK=16.434, JL=17.29 and ML=22.25.

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A 2-quart carton of pineapple juice costs $8.08. What is the price per cup?

$

Answers

Answer:

$1.01

Step-by-step explanation:

We Know

A 2-quart carton of pineapple juice costs $8.08

1 quart = 4 cups

2 quarts = 8 cups

So, 8 cups of pineapple juice cost $8.08.

What is the price per cup?

We Take

8.08 / 8 = $1.01

So, the price per cup is $1.01

A nonhomogeneous equation and a particular solution are given. Find a general solution for the equation. y'' = 2y + 12 cot^3 x, yp(x) = 6 cotx The general solution is y(x) =

Answers

The general solution is then [tex]y(x) = y_c(x) + yp(x) = c1 e^√2x + c2 e^-√2x - 3/2 cot^3 x.[/tex]

To find the general solution for the nonhomogeneous equation [tex]y'' = 2y + 12 cot^3x[/tex] with particular solution

yp(x) = 6 cotx, we can use the method of undetermined coefficients.

First, we need to find the complementary function, which is the general solution to the homogeneous equation y'' = 2y. The characteristic equation is r² - 2 = 0, which has roots r = ±√2.

Therefore, the complementary function is[tex]y_c(x) = c1 e^√2x + c2 e^-√2x.[/tex]

Next, we need to find a particular solution yp(x) to the nonhomogeneous equation. Since the right-hand side is 12 cot^3 x, we can guess a solution of the form [tex]yp(x) = a cot^3 x.[/tex] Taking the first and second derivatives of this, we get

[tex]yp''(x) = -6 cotx - 18 cot^3 x and yp'''(x) = 54 cot^3 x + 54 cotx.[/tex]

Substituting these into the original equation, we get:

[tex](-6 cotx - 18 cot^3 x) = 2(a cot^3 x) + 12 cot^3 x-6 cotx = 2a cot^3 x[/tex]
a = -3/2

Therefore, the particular solution is[tex]yp(x) = -3/2 cot^3 x.[/tex]

The general solution is then [tex]y(x) = y_c(x) + yp(x) = c1 e^√2x + c2 e^-√2x - 3/2 cot^3 x.[/tex]

So the final answer is [tex]y(x) = y_c(x) + yp(x) = c1 e^√2x + c2 e^-√2x - 3/2 cot^3 x.[/tex]

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Eric’s dad asks him to figure out the tax on the meal his family just finished eating at their favorite restaurant. The total bill for the meal is $57. 60. The tax is 7. 5%. What is the tax amount for this meal?

Answers

The tax amount for this meal is $4.32.

To calculate the tax amount on the meal, you'll need to multiply the total bill by the tax rate. In this case, the total bill is $57.60 and the tax rate is 7.5%.

To find the tax amount, use this formula: Tax Amount = Total Bill × Tax Rate

Tax Amount = $57.60 × 0.075

Tax Amount = $4.32

The tax amount for this meal is $4.32.

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How to simplify radical expressions with variables?.

Answers

To simplify radical expressions with variables, identify perfect square factors, simplify the radical by taking out the largest possible integer factor that is a perfect square, and then multiply by the remaining factor outside the radical. Repeat the process until no more simplification is possible.

To simplify radical expressions with variables, follow these steps

Factor the expression under the radical sign into its prime factors.

Identify any perfect squares within the factors.

Rewrite the expression with the perfect squares outside the radical sign and the remaining factors inside.

Simplify any remaining radicals if possible.

Combine any like terms if necessary.

For example, to simplify the expression √(12x²y), you would first factor 12x²y into 2 * 2 * 3 * x * x * y. Then, you would identify the perfect square of x² and rewrite the expression as 2x√(3y). Finally, you could simplify further if possible, but in this case, the expression is already in its simplest form.

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7. quentin has 45 coins, all dimes and quarters. the total value of the coins is $9.15.
how many of each coin does he have?
number of dimes =
number of quarters =

Answers

Quentin has 14 dimes and 31 quarters.

Let x be the number of dimes, and y be the number of quarters. According to the problem, we have two equations: x + y = 45 (equation 1) 0.10x + 0.25y = 9.15 (equation 2)

To solve for x and y, we can use substitution or elimination method. Here, we'll use the elimination method:

Multiplying equation 1 by 0.10, we get: 0.10x + 0.10y = 4.50 (equation 3)

Subtracting equation 3 from equation 2, we get: 0.15y = 4.65, y = 31

Substituting y=31 in equation 1, we get: x + 31 = 45, x = 14

Therefore, Quentin has 14 dimes and 31 quarters.

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A flat screen television costs $1600. It may be purchased for $100 down and 24 easy monthly payments of $80 each. What simple interest rate was charged on the purchase per monthly payment?

Answers

The simple interest rate charged on the purchase per monthly payment is approximately 0.5735%.

To determine the simple interest rate charged per monthly payment on the flat screen television, please follow these steps:

1. Calculate the total amount paid in monthly payments: 24 payments * $80 = $1920.
2. Subtract the down payment: $1920 - $100 = $1820.
3. Subtract the original cost from the total amount paid: $1820 - $1600 = $220. This is the total interest paid.
4. Divide the total interest by the number of monthly payments: $220 / 24 = $9.1667 interest per month.
5. Calculate the interest rate per monthly payment: ($9.1667 / $1600) * 100 = 0.5735% per month.

The simple interest rate charged on the purchase per monthly payment is approximately 0.5735%.

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Newton’s Method!!!!!!

Answers

The approximate value of x using the newton method is 0.7

Calculating the value of x using the newton method

From the question, we have the following expression that can be used in our computation:

[tex]\frac{x}{x^2+1}-\sqrt{1-x}[/tex]

Also, we have the function f(x) to be

[tex]f(x) = x(x^2+1)^{-1} -\sqrt{1-x}[/tex]

And we have the differentiated function to be

[tex]f'(x) = \frac{1}{x^2+1} - \frac{2x^2}{(x^2 + 1)^2} + \frac{1}{2\sqrt{1-x}}[/tex]

The value of x using the newton method is given as

[tex]x_n = x_{n-1} - \frac{f(x_{n-1})}{f'(x_{n-1})}[/tex]

Set [tex]x_{n-1}[/tex] = 0

So, we have

x₁ = 0 - -1/1.5 = 0.67

x₂ = 0.67 - undefined = undefined

So, we have

x₁ = 0.67

When approximated, we have

x = 0.7

This means that the value of x using the newton method is 0.7

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Find the absolute maximum and absolute minimum values off on the given interval. f(x) = 3x^4 – 4x^3-12x^2 + 1, {-2, 3] absolute minimum value
absolute maximum value

Answers

The absolute maximum value of f(x) on the interval [-2,3] is 201 and occurs at x = -2, and the absolute minimum value of f(x) on the interval [-2,3] is -79 and occurs at x = 2.

To find the absolute maximum and absolute minimum values of f(x) on the interval [-2,3], we need to first find the critical points of the function and evaluate the function at these points as well as at the endpoints of the interval.

To find the critical points, we need to find where the derivative of the function equals zero or does not exist. Taking the derivative of f(x), we get:

f'(x) = 12x^3 - 12x^2 - 24x

Setting this equal to zero and factoring out 12x, we get:

12x(x^2 - x - 2) = 0

Using the quadratic formula to solve for x^2 - x - 2 = 0, we get:

x = -1, 0, 2

These are our critical points.

Now we evaluate f(x) at the critical points and the endpoints of the interval:

f(-2) = 201
f(-1) = 6
f(0) = 1
f(2) = -79
f(3) = 16

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Calculate the lenght of the shadow cast on level groundby a radio mast 90m high when the elevationof the sun is 40degree

Answers

The length of the shadow cast on level ground by a radio mast 90m high when the elevation of the sun is 40 degrees is approximately 85.3 meters.

To calculate the length of the shadow, we need to use trigonometry. We can imagine a right-angled triangle, where the height of the mast is the opposite side, the length of the shadow is the adjacent side, and the angle of elevation is 40 degrees.

Using the trigonometric function tangent (tan), we can find the length of the shadow, which is equal to the opposite side (90m) divided by the tangent of the angle of elevation (40 degrees). Therefore, the length of the shadow is approximately 85.3 meters.

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A paper pulp company has discovered their cost and revenue functions for each day: C(x) = 2x2 - 250x + 525 and R(x) = -3x2 + 750x + 125, where x is the amount of pulp in tons. If they want to make a profit, what is the range of pulp in tons per day that they should produce? Round to the nearest tenth of a ton which would generate profit

Answers

Based on the cost and revenue function, if they want to make a profit, the range of pulp in tons per day that they should produce is between 152.6 and 152.8 tons per day.

To find the range of pulp in tons per day that will generate profit, we need to set the profit function equal to zero and solve for x. The profit function P(x) is given by:

P(x) = R(x) - C(x)

Substituting the given revenue and cost functions, we get:

P(x) = -3x^2 + 1000x - 400

Setting P(x) = 0, we can solve for x using the quadratic formula:

x = [-b ± sqrt(b^2 - 4ac)] / 2a

Plugging in the values from our profit function, we get:

x = [-(1000) ± sqrt((1000)^2 - 4(-3)(-400))] / 2(-3)

Simplifying, we get:

x = [1000 ± sqrt(1000000 + 4800)] / 6

x = [1000 ± sqrt(1004800)] / 6

x ≈ 152.7 or x ≈ 55.6

Since we're looking for the range of pulp in tons per day that will generate profit, we only want the positive solution, which is approximately 152.7 tons per day. Therefore, the company should produce between 152.6 and 152.8 tons per day to generate profit, rounded to the nearest tenth of a ton.

Note: The question is incomplete. The complete question probably is: A paper pulp company has discovered their cost and revenue functions for each day: C(x) = 2x^2 - 250x + 525 and R(x) = -3x^2 + 750x + 125, where x is the amount of pulp in tons. If they want to make a profit, what is the range of pulp in tons per day that they should produce? Round to the nearest tenth of a ton which would generate profit.

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Please help me this and can you write answer in box!!!!!
Use the gradient to find the directional derivative of the function at P in the direction of PQ. . f(x, y) = 3x2 - y2 + 4, = P(3, 1), Q(2, 4)

Answers

The directional derivative of the function f(x, y) = 3x^2 - y^2 + 4 at P(3, 1) in the direction of PQ is -24/sqrt(10).

To find the directional derivative of the function f(x, y) = 3x^2 - y^2 + 4 at point P(3, 1) in the direction of PQ, follow these steps:

Step 1: Compute the gradient of the function. The gradient of f(x, y) is given by the partial derivatives with respect to x and y: ∇f(x, y) = (df/dx, df/dy) = (6x, -2y)

Step 2: Calculate the gradient at point P(3, 1). ∇f(3, 1) = (6(3), -2(1)) = (18, -2)

Step 3: Calculate the unit vector in the direction of PQ. First, find the difference vector PQ = Q - P = (2-3, 4-1) = (-1, 3). Next, find the magnitude of PQ: |PQ| = sqrt((-1)^2 + (3)^2) = sqrt(10). Then, calculate the unit vector uPQ = PQ / |PQ| = (-1/sqrt(10), 3/sqrt(10)).

Step 4: Compute the directional derivative of f at P in the direction of PQ. The directional derivative, D_uPQ f(P), is given by the dot product of the gradient at P and the unit vector uPQ: D_uPQ f(P) = ∇f(P) • uPQ = (18, -2) • (-1/sqrt(10), 3/sqrt(10)) = 18(-1/sqrt(10)) - 2(3/sqrt(10)) = -18/sqrt(10) - 6/sqrt(10) = -24/sqrt(10)

So the directional derivative of the function f(x, y) = 3x^2 - y^2 + 4 at P(3, 1) in the direction of PQ is -24/sqrt(10).

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A function f(x) = 3x^4 dominates g(x) = x^4. True False

Answers

The given statement "A function f(x) = 3x^4 dominates g(x) = x^4" is True, which means that as x gets larger, the value of f(x) will increase much more rapidly than the value of g(x).

The function f(x) = 3x^4 has a coefficient of 3 for the x^4 term.The function g(x) = x^4 has a coefficient of 1 for the x^4 term.

As x increases or decreases, the 3x^4 term in f(x) will grow faster or be larger in magnitude than the x^4 term in g(x). Since f(x) grows faster or has a larger magnitude than g(x), we can conclude that f(x) dominates g(x).

Therefore, the function f(x) = 3x^4 has a higher degree than g(x) = x^4

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2n-1/3=n+2/2 please help me

Answers

SolutioN:-

[tex] \sf \longrightarrow \: \frac{2n - 1}{3} = \frac{n + 2}{2} \\ [/tex]

[tex] \sf \longrightarrow \: 2( 2n - 1) = 3(n + 2) \\ [/tex]

[tex] \sf \longrightarrow \: 4n - 2 = 3n +6 \\ [/tex]

[tex] \sf \longrightarrow \: 4n = 3n +6 + 2\\ [/tex]

[tex] \sf \longrightarrow \: 4n - 3n= 6 + 2\\ [/tex]

[tex] \sf \longrightarrow \: 1n= 6 + 2\\ [/tex]

[tex] \sf \longrightarrow \: n= 8\\ [/tex]

[tex] \longrightarrow { \underline{ \overline{ \boxed{ \sf{\: \: \: n= 8 \: \: \: }}}}} \: \: \bigstar\\ [/tex]

Solve (d-8) (6d-3) using the box method show work

Answers

6d^2 - 51d + 24

that's it

...............................

Use the box plots for 3 and 4.
chess
checkers
18
20
10 12 14 16
ages of club members
which group has a greater range?
chess
checkers
the ranges are the same.

Answers

Both the chess and checkers group have the same range.

How to find the of ages for each group?

The box plots range for the ages of club members in the chess and checkers group are given. Based on the box plots, it appears that both groups have similar ranges, and it is difficult to determine which group has a greater range.

The range is a measure of variability that indicates the difference between the smallest and largest values in a dataset. In the chess group, the smallest value is 18, and the largest value is 20, which gives a range of 2. In the checkers group, the smallest value is 10, and the largest value is 20, which also gives a range of 10.

Although the difference between the smallest and largest values in the checkers group is greater than that in the chess group, the box plots suggest that the checkers group has more outliers than the chess group. An outlier is a data point that is significantly different from other observations in a dataset. The presence of outliers can increase the range of a dataset.

Therefore, despite the larger difference between the smallest and largest values in the checkers group, the presence of outliers makes it difficult to determine which group has a greater range. Overall, the box plots show that both groups have similar ranges, but the checkers group has more variability in the form of outliers.

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A sculpture is made of solid tin in the shape of a cone. The sculpture is 70 inches tall, and its base has a radius of 9 inches. If tin costs $1. 75 per cubic inch,


how much did the tin for the sculpture cost?


Use 3. 14 for 1, and do not round your answer.

Answers

Answer:

Step-by-step explanation:

Does anyone know the answer?

Answers

Answer:

B. ∠FBG

Step-by-step explanation:

When an angle is in the three letter form, the first letter is the first line that forms the angle, the second letter is where the angle is located, and third letter is the line that forms the angle with the first line.

Thus, we can see that line E combines with line F, and the actual angle is located at point B.

The two angles adjacent to ∠EBF are ∠DBE and ∠FBG.  Only ∠FBG is one of the answer choices so this is our final answer.

Lindsey wears a different outfit every day. Her outfit consists of one top, one bottom, and one scarf.
How many different outfits can Lindsey put together if she has 3 tops, 3 bottoms, and 3 scarves from which to choose? (hint: the
counting principle)
3 outfits
B9 outfits
24 outfits
D) 27 outfits

Answers

D) 27 outfits.

Hope this helps! Brainliest would be appreciated
The correct answer is D

Question 3 Next ſsin"" e cos"" Evaluate the indefinite integral xdu

Answers

But there seems to be some missing information in your question. Please provide more context or details so that I can assist you accurately.
Hi! I'd be happy to help you evaluate the indefinite integral. Based on the provided terms and information, it seems like you want to evaluate the following integral:

∫x * sin(e * cos(x)) dx
To solve this integral, we can use integration by parts, which is defined as:
∫u dv = u * v - ∫v du
Let's choose u = x and dv = sin(e * cos(x)) dx. Then, we need to find du and v:
du = dx
v = ∫sin(e * cos(x)) dx

Unfortunately, the integral for v does not have a simple closed-form expression. However, you can use numerical methods or software (like Wolfram Alpha) to approximate it. Once you have an approximation for v, you can plug it back into the integration by parts formula to obtain an approximation of the original integral:
∫x * sin(e * cos(x)) dx ≈ x * v - ∫v dx

Keep in mind that this is an indefinite integral, so don't forget to add the constant of integration, C, to your final answer.

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Which amount should be entered for the balance after the atm withdrawal on 6/2/18?a) $1346.42b) $1456.42c) $1536.42d) $1756.42

Answers

Unfortunately, there is no way to answer this question without more information.

We would need to know the amount of the ATM withdrawal, as well as the starting balance before the withdrawal, in order to calculate the ending balance.

For example, if the starting balance was $1500 and the withdrawal was for $50, the ending balance would be $1450.

However, if the starting balance was $1300 and the withdrawal was for $50, the ending balance would be $1250.

Without this information, we cannot determine the correct answer.

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When the mortgage is completely paid off for Mark and Lynne’s house, it will be 3 times as old as it is now. If they have 12 years left on the mortgage, how old is the house right now?

Answers

The house is currently 6 years old.

It is mentioned that when the mortgage is completely paid off for Mark and Lynne's house, it will be 3 times as old as it is now. They have 12 years left on the mortgage.

Let's denote the current age of the house as x. When the mortgage is paid off, the house will be x + 12 years old (since they have 12 years left on the mortgage). At that point, the house will be 3 times its current age, so we can write the equation:

x + 12 = 3x

Now we can solve for x:
12 = 2x
x = 6

So, the house is currently 6 years old.

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Write a function rule for the statement.



the output is eight less than the input

Answers

The function rule for the statement "the output is eight less than the input" is a simple mathematical expression that represents a relationship between the input and output values.

In this case, it can be expressed as Output = Input - 8. The function takes the input value, subtracts 8 from it, and returns the result as the output value. This rule ensures that the output will always be eight units smaller than the input. For example, if the input is 15, the output will be 7. This function rule can be used to perform calculations or model various scenarios where the output is consistently eight units less than the input.

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Median & IQR Question: The data shows the number of hours a part-time waiter works each week. Tell whether each statement about the data is True or False. Statements and numbers are listed in the picture.

Answers

The statements regarding the median and the quartiles are given as follows:

a. True.

b. True.

c. False.

What are the median and the quartiles of a data-set?

The 25th percentile, which is the median of the bottom 50%.The median, which splits the entire data-set into two halfs, the bottom 50% and the upper 50%.The 75th percentile, which is the median of the upper 50%.

The ordered data-set in this problem is given as follows:

7, 8, 8, 9, 9, 9, 10, 10, 11, 11, 13.

Hence:

The first quartile is of 8. -> option b is true.The median is of 9. -> option a is true.The third quartile is of 11.

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If Tan=3 /5 fine the remaining trigonometric functions

Answers

The remaining trigonometric functions are:

sin (θ) = 3/√34

cos (θ) = 5/√34

csc(θ) =  (√34)/3

sec (θ) = (√34)/5

cot(θ) = 5/3

How to find the remaining trigonometric functions?

Trigonometry is a branch of mathematics that deals with the relationship between the ratios of the sides of a right-angled triangle with its angles.

Since tan θ = 3 /5

Recall: tan = opposite/adjacent. Thus, opposite = 3, adjacent = 5

hypotenuse = √(3²+5²) = √34

Therefore, the remaining trigonometric functions are

sin (θ) = 3/√34

cos (θ) = 5/√34

csc(θ) =  (√34)/3     (csc (θ) = 1/sin (θ))

sec (θ) = (√34)/5     (sec(θ) = 1/cos (θ))

cot(θ) = 5/3       (cot(θ) = 1/tan (θ))

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HELP WORTH 30 POINTS

What is the value of b?


100


110


55


90

Answers

Value of b is = 110 your welcome

HELP! In order to graduate from Ohio, you need to earn 3 points on an Algebra EOC or score remediation


free scores on the ACT and SAT math exams. The EOC exams are normally distributed with a mean of 703. 27


and a standard deviation of 34. 14. A score of 700 is needed to earn 3 points

Answers

To find the probability of scoring at least 700 points on the Algebra EOC, we calculate the z-score, which is -0.122, and then find the area under the standard normal curve using a z-table. The probability is 54.98%. Since this is higher than the significance level of 0.05, we can conclude that the student has met the requirement to earn 3 points on the EOC.

Identify the mean, standard deviation, and score needed to earn 3 points

Mean (μ) = 704.39

Standard deviation (σ) = 36.18

Score needed for 3 points = 700

Calculate the z-score for the score needed to earn 3 points

z = (score - μ) / σ

= (700 - 704.39) / 36.18

= -0.122

Look up the area to the left of the z-score in the standard normal distribution table

The area to the left of -0.122 is 0.4502.

Subtract the area found in step 3 from 1 to find the area to the right of the z-score

Area to the right = 1 - 0.4502 = 0.5498

Convert the area to the right into a percentage

Percentage = 0.5498 x 100% = 54.98%

Interpret the percentage as the probability of earning 3 points or more on the Algebra EOC exam:

The probability of earning 3 points or more on the Algebra EOC exam is 54.98%.

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--The given question is incomplete, the complete question is given

" In order to graduate from Ohio, you need to earn 3 points on an Algebra EOC or score remediation

free scores on the ACT and SAT math exams. The EOC exams are normally distributed with a mean of 704.39

and a standard deviation of 36.18. A score of 700 is needed to earn 3 points.

a. Fill in the values of each standard deviation above and below the mean, and make sure to add in the value

of the mean. Answers only are fine. "--

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