ISS Previous year Solution| Let the joint density function of X and Y be f(x,y)=8xy;0<x<y<1 and 0,ot

ISS-2021 Indian Statistical Service Statistics Paper-1 Previous Year Question Paper Solution:

Set D Question Number 4 & 5

YEAR-2021 ISS PREVIOUS YEAR QUESTION PAPER ALONG WITH SOLUTION

Consider the following for the next two function of X and Y be

f(x,y)=8xy; 0<x<y<1 and 0 ; otherwise

Q: (4) What is E(Y/X=x) equal to ?

Q: 5 What is the value of E(Y^2/X=0.5)?

(a) 0.5

(b)0.525

(c) 0.6

(d) 0.625

This Question number five had the typing mistakes in question and that's why UPSC has not counted it as a valid question. They left E in the above expression of expectation. But We are considering here expectation and answer has been given by taking into consideration the expectation.

SOLVED| ISS 2021 PREVIOUS YEAR QUESTION STATISTICS PAPER-1 Q.NO. 4 & 5 SET-D