What is the probability of getting more than ten heads?
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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Question
A fair coin is flipped 15 times. Each flip is independent. What is the probability of getting more than ten heads? Let X= the number of heads in 15 flips of the fair coin.Xtakes on the values 0, 1, 2, 3, ..., 15. Since the coin is fair, p= 0.5 and q= 0.5. The number of trials is n= 15. State the probability question mathematically.
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