Wiki Page, Statistics: Spring 2022: Lecture 8 (March 14)

Wiki Page
2023-03-13T05:30:35-06:00

Bell Work: Use the following information to practice probability.

Bill goes to the library and observes students. B represents students who checked out books. D represents students who checked out DVDs.

P(B) = 0.40

P(D) = 0.30

P(D given B) = 0.5

1. What is the probability that you select a student randomly from the sample and they didn't check out a book? P(B')

2. Find P(D and B)

3. Find P(B given D)

4. Find P(D and B')

5. Find P(D given B')

Exit Ticket: Review Section 3.4 in your book.

1. What is a contingency table?

2. Define "contingency"