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: 1 4/5 plus (-3 4/10)

A: 145=1(5)+45=95-3410=-3(10)+410=-3410=-175

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

A:

Q: what is equal to 1/6 to the power of 7

A:

Q: how did you arrive at x=34

A: Apologies for the inconvenience. Here is the correct solution:   The given profit function is:…

Q: For #12 on excel how would I be able to do that

A: According to the given sum, Take the autosum(it is under the box of "Insert") at B8 , select B2 and…

Q: The answer x=0.440808 is wrong. What is the correct answer?

A: We have given a cubic equation:let,Use Newton's method to find all solutions of the equation correct…

Q: where does 0.16 come from?

A:

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

A:

Q: it's pi/8 not n/8

A:

Q: How did you get the 100/12 value? Can you show the full work for that

A:

Q: Solve S=n(n+1)/3; for n

A: Given:          S=n(n+1)/3 ; for n

Q: Marvin says that the dark circles below can’t represent 1/3  because there are 5 circles, and 5 is…

A:

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: might be tired but I think I calculated wrong. 24/3 - (-32/3)= -29? Is this correct?

A: We have to calculate the sum.

Q: are the expressions  x/15 and 15/x equivalent0?

A: Given problem :- Are the expressions  x/15 and 15/x equivalent?

Q: Camila sets up a passcode on her tablet, which allows only five-digit codes. She hasheard that it's…

A: According to the provided data, the passcode allows only five digit codes. The passcode is more…

Q: 11/4 x 2 2/5 ÷ (11/4 + 21/12) =

A: The given expression,       114×225÷114+2112

Q: why is u pi/3 and not pi/6?

A:

Q: 1 1/2 = 7/12 C C =  ?

A: 112=712C On simplification, we get ⇒2+12=712C⇒32=712C

Q: What is 1/4 in decimals?

A: We have to find what is 1/4 in decimals.

Q: What is wrong with the following: 4+(10/5)=6-2

A: Given  4 + 10/5 = 6-2

Q: A thermometer is taken from a room where the temperature is 23°C to the outdoors, where the…

A:

Q: Why is the approximation 6.48 if the value I get within a calculator by plugging the values directly…

A:

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

A:

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

A:

Q: On letter B, how did you get 0.2931? I tried a couple of different things on the calculator but I…

A: Mean(µ) = 2847Standard deviations (σ) = 621X ~ N (µ, σ )= N(2847,621) Note: in this problem round…

Q: Can you go into more detail? Why is the answer (4n+1)pi/2?

A: We want to find domain of the function.

Q: (1/64)3n x 8 =26

A: Formula:

Q: 6. 24 24 -42-

A:

Q: The correct answer is 1/2 not 3/4.

A: To determine the area under the curve definite integral is used.  The definite integral is defined…

Q: How

A:

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: What is 5 x 1/3? 3/5 5/15 5/3

A: 5 × 1/3 = 5/3. Third option is correct.

Q: |b| = 1/2

A: |b|=1/2