hw6 - STAT 225 - Homework 6 Due Friday June 12 Comments: 1....

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
STAT 225 - Homework 6 Due Friday June 12 Comments: 1. This homework is due Friday, June 12 in class, BEFORE class starts. 2. Please remember staple if you turn in more than one page. 3. You must always SHOW ALL WORK. If you do not show your work, you may not receive full credit. Do the following problems. 1. Show that if X U ( a, b ) then V ( X ) = ( b - a ) 2 12 . Guidance: You can use the fact (which we proved in class) that E ( X ) = a + b 2 It would be useful to know that a 3 - b 3 = ( a - b )( a 2 + ab + b 2 )) 2. Page 177, problems 4.48 3. Page 176, problem 4.43 4. Page 183, problem 4.64 (a) 5. Page 183, problem 4.65 6. Let X N (0 , 1). Find E ( e 3 X + e - X 2 / 2 ) Comment: It would be useful to go over the last example about the normal distribution that I presented in class in lecture 14 (6/8). Also, remember that E [ g 1 ( X ) + g 2 ( X )] = E [ g 1 ( X )] + E [ g 2 ( X )] 7. Page 190, problem 4.91 +
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 3

hw6 - STAT 225 - Homework 6 Due Friday June 12 Comments: 1....

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online