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4.3 Exercise 3

Avg difficulty 2.5

A fair coin is flipped 15 times. Each flip is independent. What is the probability of getting more than 10 heads? Let X = the number of heads in 15 flips of the fair coin. X takes on the values 0, 1, 2, 3, . . ., 15. Since the coin is fair, p = .5 and q = .5. The number of trials n = 15. State the probability question mathematically.

OpenStax Statistics, 4.3 Binomial Distribution (Optional), exercise 3

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