Suppose 18 people are in a room. What is the probability that there is at least one shared birthday among these 18 people? Show your calculations. Enter your answer in percent notation, rounded to the nearest tenth. P(at least one shared birthday)=

A First Course in Probability (10th Edition)
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ISBN:9780134753119
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Chapter1: Combinatorial Analysis
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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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21. Suppose 18 people are in a room. What is the probability that there is at least one shared birthday
among these 18 people? Show your calculations. Enter your answer in percent notation, rounded to the
nearest tenth.
P(at least one shared birthday)=
Transcribed Image Text:21. Suppose 18 people are in a room. What is the probability that there is at least one shared birthday among these 18 people? Show your calculations. Enter your answer in percent notation, rounded to the nearest tenth. P(at least one shared birthday)=
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