Statistics Lesson 8

Complement of A

The event that A does not occur

A: Jenna is a senior in college B: Jenna is taking a math class A: Kayden works all day on Thursday. B: Kayden plays soccer on Thursday. a sample of 10 books is selected from the library. A: At least one of the authors is male. B: None of the authors are male. A: Bobby works at Starbucks. B: Bobby plays the piano.

1. Not mutually exclusive 2. Mutually exclusive 3. Mutually exclusive 4. Not mutually exclusive

mutually exclusive

Events that cannot occur at the same time.

Two events are mutually exclusive if both events can occur

False

P(A or B)

P(A) + P(B) - P(A and B)

Rule of compliments

P(A^c)=1-P(A)