=*21. A and B are events such that P(A) = 0.4, P(B) = 0.5, and P(A & B) = 0.2. Answer each question and explain your reasoning. a. Are A and B mutually exclusive? b. Are A and B independent?

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.9: Independent And Dependent Events
Problem 1E
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*21. A and B are events such that P(A) = 0.4, P(B)=0.5, and
P(A & B) = 0.2. Answer each question and explain your reasoning.
a. Are A and B mutually exclusive?
b. Are A and B independent?
Transcribed Image Text:*21. A and B are events such that P(A) = 0.4, P(B)=0.5, and P(A & B) = 0.2. Answer each question and explain your reasoning. a. Are A and B mutually exclusive? b. Are A and B independent?
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