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A. Event A and B are mutually exclusive. B. Pr( A OR B) = Pr(A) + Pr(B) = ¾ . C. Pr (not A AND not B) = 5/20 = ¼. D. Pr (not A OR B) = 4 . %3D wwww

A. Event A and B are mutually exclusive. B. Pr( A OR B) = Pr(A) + Pr(B) = ¾ . C. Pr (not A AND not B) = 5/20 = ¼. D. Pr (not A OR B) = 4 . %3D wwww

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Q7. The diagram below shows a Venn Diagram for two events A and B with 20 outcomes with 3 for Event A and 12 for Event B. Identify the incorrect statement. Sample space 20 3 12 'Event B Event A From the diagram it can inferred that: A. Event A and B are mutually exclusive. B. Pr( A OR B) = Pr(A) + Pr(B) = 3¾ . C. Pr (not A AND not B) = 5/20 = ¼. D. Pr (not A OR B) = 4. %3D
Transcribed Image Text:Q7. The diagram below shows a Venn Diagram for two events A and B with 20 outcomes with 3 for Event A and 12 for Event B. Identify the incorrect statement. Sample space 20 3 12 'Event B Event A From the diagram it can inferred that: A. Event A and B are mutually exclusive. B. Pr( A OR B) = Pr(A) + Pr(B) = 3¾ . C. Pr (not A AND not B) = 5/20 = ¼. D. Pr (not A OR B) = 4. %3D
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