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A doorman is holding 9 keys in which only 1 key will work on a room number 2A. What is the probability of picking the correct key without returning or replacing the key you already picked?

College Algebra

10th Edition

ISBN:9781337282291

Author:Ron Larson

Publisher:Ron Larson

Chapter8: Sequences, Series,and Probability

Section8.7: Probability

Problem 6ECP: In Pennsylvania’s Cash 5 game, a player chooses five different numbers from 1 to 43. If these five...

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A doorman is holding 9 keys in which only 1 key will work on a room number 2A. What is the probability of picking the correct key without returning or replacing the key you already picked?

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