problemset04

# problemset04 - STAT/MA 416 Problem Set 4 Name 1 Choosing a...

This preview shows pages 1–3. Sign up to view the full content.

STAT/MA 416 August 29, 2011 Problem Set 4 Name: 1. Choosing a page at random. A student buys a brand new calculus textbook that has 1000 pages, numbered from 1 to 1000, of course. She randomly opens the book to a page and starts to read! Assume that any of the 1000 pages are equally likely to be chosen. Let B be the event that at least one of the digits on the chosen page is a “5” (for example, the page could be 572 or 505 or 355 or 115 etc., etc.). Let C be the event that at least two of the digits on the chosen page are “5” (for example, 355 or 575, etc.). (a.) Given that B occurs, ﬁnd the conditional probability of A , the event that 555 is the selected page. (b.) Given that C occurs, ﬁnd the conditional probability of A , the event that 555 is the selected page. 1

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

View Full Document
2. Socks. A matching pair of blue socks, a matching pair of red socks, and one lone white right-footed sock are in a drawer. Suppose that a person is looking for the two matching blue socks. He blindly pulls two
This is the end of the preview. Sign up to access the rest of the document.

## This note was uploaded on 02/28/2012 for the course STAT 416 taught by Professor Staff during the Fall '08 term at Purdue.

### Page1 / 6

problemset04 - STAT/MA 416 Problem Set 4 Name 1 Choosing a...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online