Answer:
a) Computing the expected value E(XY) gives 1/4
b) The probability density function fZ(z) of Z = XY is calculated in the attached picture.
c) Computing E(Z) gives 1/4
Step-by-step explanation:
Comparing the computation of E(Z) using the answer to b), it shows that the values are equal.
Answer:
= 5x-5y
Step-by-step explanation:
Multiply 5to x and y
Answer:
5(x+4)=6
5 times a number and (+) 4 is equal to 6.