1. How many times must a person roll a die so that the probability of obtaining at...

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1. How many times must a person roll a die so that the probability of obtaining at least one 6 is greater than 95%?
2. How many times must a person roll a die so that the probability of obtaining at least two 1s is at least 99%?
3. Suppose that the probability of winning a certain lottery is .00045. How many times must a person play the lottery in order to have a 5% chance of winning at least once?
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Finite Mathematics and Its Applications

ISBN: 978-0134768632

12th edition

Authors: Larry J. Goldstein, David I. Schneider, Martha J. Siegel, Steven Hair

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