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5.2 Exercise 10

Avg difficulty 2.5

Suppose the time it takes a nine-year old to eat a donut is between 0.5 and 4 minutes, inclusive. Let X = the time, in minutes, it takes a nine-year-old child to eat a doughnut. Then X ~ U(0.5, 4).

a. The probability that a randomly selected nine-year-old child eats a doughnut in at least two minutes is _______.

OpenStax Statistics, 5.2 The Uniform Distribution, exercise 10

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