550.252 FALL 20011 FREQUENTLY ASKED QUESTIONS FOR HOMEWORK 5

1.  PROBLEM 2.  I think there is a typo in the cdf as we haven't done
any joint distributions.

ANSWER: You are correct.  The fraction should be x/4 not x/y.  A corrected
assignment was posted Wed 10/19 at 11:45am.

2.  PROBLEM 2.  I think there is a typo in the variance formula.

ANSWER: You are correct.  The numeration should have (b-a) squared not
(b-a) (with no exponent).  A corrected assignment was posted Wed 10/19 
at 11:45am.