D. Based on the ercent chance of

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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In the final results, there are four student candidates for the first rank. Call
them A, B, C, and D. Based on their performance analysis, we estimate
that A has a 20 percent chance of winning, while B has a 40 percent
chance of winning. What is the probability that A or B win the first rank?
Transcribed Image Text:In the final results, there are four student candidates for the first rank. Call them A, B, C, and D. Based on their performance analysis, we estimate that A has a 20 percent chance of winning, while B has a 40 percent chance of winning. What is the probability that A or B win the first rank?
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