1.How large must the group of people be so that the probability that two people have a birthday on the same day of the year is greater than 90%?  (PERCENTAGE FORMAT)

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
Section: Chapter Questions
Problem 14T: An unbalanced coin is weighted so that the probability of heads is 0.55. The coin is tossed ten...
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1.How large must the group of people be so that the probability that two people have a birthday on the same day of the year is greater than 90%?  (PERCENTAGE FORMAT)

2.It is reported that 72% of working women use computers at work. Choose 3 women at random, find the probability that all 3 women use a computer in their jobs.   (PERCENTAGE FORMAT)

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