A fair coin is flipped 12 times in a row. a What is the probability that it lands on tails exactly one third of the times? b What is the probability that it lands on heads at least twice? c What is the probability that the first flip is heads or the last flip is heads?
A fair coin is flipped 12 times in a row. a What is the probability that it lands on tails exactly one third of the times? b What is the probability that it lands on heads at least twice? c What is the probability that the first flip is heads or the last flip is heads?
Operations Research : Applications and Algorithms
4th Edition
ISBN:9780534380588
Author:Wayne L. Winston
Publisher:Wayne L. Winston
Chapter12: Review Of Calculus And Probability
Section: Chapter Questions
Problem 7RP
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
Transcribed Image Text:A fair coin is flipped 12 times in a row.
a What is the probability that it lands on tails exactly one third of the times?
b What is the probability that it lands on heads at least twice?
c What is the probability that the first flip is heads or the last flip is heads?
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