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5) The formal addition rules says P(A or B) = P(A) + P(B) – P(A and B) where P(A and B) is thought of as P(A intersection B) and A and B are not disjoint sets. Disjoint sets are collections of data that have no items or points in common. Let event A = {even number on a six sided die} and event B= {numbers 2, 3, on a six sided die}. Find P(A or B). Are events A and B disjoint events?

5) The formal addition rules says P(A or B) = P(A) + P(B) – P(A and B) where P(A and B) is thought of as P(A intersection B) and A and B are not disjoint sets. Disjoint sets are collections of data that have no items or points in common. Let event A = {even number on a six sided die} and event B= {numbers 2, 3, on a six sided die}. Find P(A or B). Are events A and B disjoint events?

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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5) The formal addition rules says P(A or B) = P(A) + P(B) – P(A and B) where P(A and B) is thought of as P(A intersection B) and A and B are not disjoint sets. Disjoint sets are collections of data that have no items or points in common. Let eventA = {even number on a six sided die} and event B= {numbers 2, 3, on a six sided die}. Find P(A or B). Are events A and B disjoint events? O Probability = 75% O P(A or B)=3/6 + 2/6 - 2/6 =50% O P(A or B)=3/6 + 2/6 - 4/6 =4/6 = 33% P(A or B)=3/6 + 3/6 - 1/6 =4/6 = - 33% P(A or B)=3/6 + 2/6 - 1/6 =4/6 = 0.6667=66.67%
Transcribed Image Text:5) The formal addition rules says P(A or B) = P(A) + P(B) – P(A and B) where P(A and B) is thought of as P(A intersection B) and A and B are not disjoint sets. Disjoint sets are collections of data that have no items or points in common. Let eventA = {even number on a six sided die} and event B= {numbers 2, 3, on a six sided die}. Find P(A or B). Are events A and B disjoint events? O Probability = 75% O P(A or B)=3/6 + 2/6 - 2/6 =50% O P(A or B)=3/6 + 2/6 - 4/6 =4/6 = 33% P(A or B)=3/6 + 3/6 - 1/6 =4/6 = - 33% P(A or B)=3/6 + 2/6 - 1/6 =4/6 = 0.6667=66.67%
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