Suppose the joint PMF of X and Y is P(X= x, Y = y) = axy ifx, y = {1,5}, 0 Otherwise. 1. Find the value of a. 2. Find the value of the covariance Cov(X, Y). (a, Cov(X, Y)) = 1/36,0

Q: Jenny picked a large basket of apples. She gave 1/4 to Jerome and then gave 1/3 of the remaining…

A: here we are using trail and error method to find the solution if we consider option A  if jenny…

Q: where did the 1.18 come in how did you get that

A:

Q: Given P(A) = 0.36, P(A and B) = 0.32, P(A or B) = 0.50, what is P(B)? Answer in decimal form.…

A: From the provided information, P(A) = 0.36, P(A and B) = 0.32, P(A or B) = 0.50

Q: How would i find the p-value?

A: The test statistic is -1.41.

Q: Given M1 = −5, s1 = 4.6, n1 = 72, M2 = − 1, s2 = 3.3, and n2 = 60, calculate t.

A:

Q: What is the P(- 0.34 Z - 0.97) a.-0.2009 b. -0.0526 c.0.2009 d.0.0526

A: P(- 0.34 <Z <- 0.97)=?

Q: where does 0.16 come from?

A:

Q: Tiger Woods hits an average driver 287.2 yards with a standard deviation of 24.6 yards. What is the…

A: The probability value is calculate by means of standard normal variate with the random variable,…

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: Given P(A and B) = 0.30, P(B) = 0.50, P(B|A) = 0.98, what is P(A)? Answer in decimal form.  Round…

A: According to the given information, we have P(A and B)=0.30P(B) = 0.50andP(B|A)=0.98

Q: What is 11/4 + 11/8 =

A:

Q: I dont see .01 on the z score tables so how do you get -2.33?

A: Given data :  Cardiac pacemaker batteries will stop working if they are not properly calibrated and…

Q: Given P(A) = 0.42, P(B) = 0.44, and P(A and B) = 0.22, what is P(A or B)? Answer in decimal form.…

A:

Q: Given P(B) = 0.41, P(A and B) = 0.23, P(A or B) = 0.50, what is P(A)? Answer in decimal form.  Round…

A: Let A and B are two events The known probabilities are, The formula for calculating the probability…

Q: ate Kobe was 6'6" (or 78 inches).  Suppose the average height of men is 5'9" (or 69") and SD is 3".…

A:

Q: Given P(A) = 0.34, P(B) = 0.33, P(A or B) = 0.24, what is P(A and B)? Answer in decimal form.…

A: Given,P(A)=0.34P(B)=0.33P(A or B)=0.24

Q: Suppose that P(A|B) = 0.79, P(A) = 0.43, and P(B) = 0.25. Determine P(B|A). Round your answer to…

A: The formula of P(A|B) is,

Q: Given P(B) = 0.47, P(A and B) = 0.29, P(A or B) = 0.55, what is P(A)?   Answer in decimal form.…

A:

Q: Im stuck on where 30/ 13 was calculated. Need to know how to get 30

A:

Q: Given P(A) = 0.31, P(B) = 0.28, and P(A and B) = 0.14, what is P(A or B)? Answer in decimal form.…

A: Ans - Given P(A) = 0.31, P(B) = 0.28, and P(A and B) = 0.14, what is P(A or B)?

Q: Given P(A) = 0.42, P(B) = 0.46, P(A or B) = 0.33, what is P(A and B)? Answer in decimal form.…

A:

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

A:

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: Where does the 0.025 come from?

A: The given confidence level is 95%.

Q: Simplify -214 144³

A:

Q: Given P(A) = 0.27, P(A and B) = 0.33, P(A or B) = 0.41, what is P(B)? Answer in decimal form.…

A: Formula : P(A or B) = P(A) + P(B) - P(A and B)

Q: Given P(B) = 0.28, P(A and B) = 0.29, P(A or B) = 0.45, what is P(A)? Answer in decimal form.…

A: Given :  P(B) = 0.28 P(A and B) = 0.29 P(A or B) = 0.45

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: 2 (63 = -8) +2= 12

A: Given:        263x-8+2 = 12

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: A study examined whether a citrus smell made a difference on memory recall. The study reports the…

A: Given that, The claim is citrus smell made difference on memory recall. t143=1.78 The degrees of…

Q: P(6/6 of hearts)=

A: Approach to solving the question/Detailed explanation: 1. Understanding ProbabilityProbability…

Q: Given P(A) = 0.40, P(B) = 0.25, and P(A and B) = 0.11, what is P(A or B)? Answer in decimal form.…

A:

Q: Given P(A) = 0.27, P(B) = 0.32, and P(A and B) = 0.22, what is P(A or B)? Answer in decimal form.…

A: Solution: From the given information, P(A)=0.27, P(B)=0.32 and P(A and B)=0.22. The P(A or B) is…