Suppose the joint PMF of X and Y is P(X = x, Y = y) = axy ifx, y = {1, 2}, 0 Otherwise. 1. Find the value of a. 2. Find the value of the correlation Corr(X, Y). (a, Corr(X, Y)) = 1/9,0

Q: Derive the formula of the P/G factor : (1+i)" - 1 1 (P/G, i,n) = %31 i(1+i)" (1+i)"

A: We will follow given steps to find out the P/G factor. First, we start with writing…

Q: How did you end up with 2 over 3 times pi? What happened to the 3 X 16 x pi? I don't understand the…

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Q: P=( 14,000 x 0.014+1/2 x 0.00238 x 51.332 x 0.412 x 34.3) x 51.33

A: we have given that  some operation + ,× , /

Q: Given P(A and B) = 0.16, P(A) = 0.87, what is P(B|A)? Answer in decimal form.  Round to 3 decimal…

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Q: Write answers to the following math problems: 41.109/0.405 - 93.55 =  10,530 / 4.30x104 x 19.33 =

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Q: How are your grades? In a recent semester at a local university, 500 students enrolled in both…

A: GivenTotal no. of students both Statistics I and Psychology I=500No. of students got A in statistics…

Q: If X = 17.34, s = 5.45, and M = 24.88, what is z?

A: Given: X = 17.34 s = 5.45 M = 24.88

Q: How did you get p value from hats given?

A: Solution-: We have test statistic=t_{stat}=-2.115 and df=87 We want to find the how to get p-value=?…

Q: Evaluate the formula n=(z)2•p•(1−p)E2 when z=1.774​, p=0.56​, and E=0.02

A: Given, z = 1.774 p = 0.56 E = 0.02

Q: For P(z>Z1) 0.20, which of the following is the nearest Z1? Please select one: a. 0.84 b. 1.96 c.…

A: Given P(z>Z1)=0.20

Q: Evaluate p = 12 || x₁ + x2 n₁ + n₂ for x₁ = 2, X₂ = 15, n₁ = 53, and n₂ = 34. (Round to four decimal…

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Q: How was the S1 found on answer A?

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Q: Given P(A and B) = 0.14, P(B) = 0.67, P(B|A) = 0.70, what is P(A)? Answer in decimal form. Round…

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Q: P(R4),n>4 5 = 1. Solve forn in the equation: - Pín

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Q: What is the accuracy of 0.8

A: givenaccuracy is 0.8we find in percentage

Q: how did you get P(x=4) in part ii?

A: The sample size 10, the probability of throwing red is 0.78.

Q: How is math connected to people and surroundings?

A: You go to the market and buy something. Now you have to pay for that. So you have to calculate how…

Q: Simplify. (10 – 4)! (10 – 4)! =

A: Given : (10-4)!

Q: Find the value of zg. Z0.09 Z0.09 (Round to two decimal places as needed.)

A: Solution: From the given information, α=0.09.

Q: What would be the units for (c)?

A: unit of volume = unit of time = sec

Q: Consider the situation in which we ask 41 students to select their preference between studying alone…

A: The expected values are, Studying preferences Observed Proportion Expected Alone 17 12…

Q: Round your answer to the nearest tenth. 9.2 16.5

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Q: where did you get  0.0649 from? on the problem

A: To find the 90% confidence interval for the difference in proportions between responses generated by…

Q: [$3.50 × [1 + (– .122)]]/[.14 – (– .122)] = ?

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Q: Approximately what number of clicks would get you to 1.5 ft in size? 18= 1 (1.5)* x = 1n( 18) In(15)…

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Q: When i run the calculation to find the test statistic value (t), I do not get the same t-value…

A: Concept: one sample t test is used

Q: The following formula models the number of prison inmates, P, in thousands, who are in U.S. prisons…

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Q: Where does the 0.025 come from?

A: The given confidence level is 95%.

Q: What is the value of (0.1)3 (20)3 ?

A: We have to find the value of: (0.1)3 (20)3

Q: Given_n(A^B) =23___,_n (A) =46, n(B)=51, calculate n(AUB)=?_and enter your answer in the box…

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Q: So what is the answer rounded to three decimal place

A: The hypothesized mean is 2.85.

Q: valuate the formula E=t*sn​, where t*=2.626​, s=0.73​, and n=103

A: The formula given is  E=t*sn​

Q: y=VX-2 gile Ramg

A: Write down y=f(x) and then solve the equation for x, giving something of the form x=g(y). Find the…

Q: Use the following table to answer the question: X 1 2 3 4 P(X) 0.5 0.3 0.15 0.05       a. 0.5…

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Q: If P(A)= 0.2, P(B)= 0.32 Calculate P(A and B)?

A: Answer:- Given, P(A) = 0.2  And P(B) = 0.32  Using formula,  According to the given information we…

Q: Given that P(B|A) = 0.78 and P(A) = 0.47, what is P(B AND A)? Round to three decimal places.

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Q: I cant really tell what the answer to b and C are? is it (-0.8333) and z=1.751

A: The mean and the standard deviation are12.1 and 0.12, respectively.

Q: The answer you came up with is the same answer I came up with, but I got it wrong. The correct…

A: p-value = 0.976442045 earlier calculated using TI-84 calculator.

Q: s=√13.33 =3.65

A: Range:Range is the difference between the maximum and minimum values in the data set. In this…

Q: Assume that P (A n B) = 0.25, P (B) = 0.65, and P ( A 0.15. Find P (A).

A: