The time each student takes to finish an exam has an exponential distribution with mean 45 minutes.
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The time each student takes to finish an exam has an exponential distribution with mean 45 minutes. In a class of 10 students, what is the probability that at least one student will finish in less than 20 minutes? Assume students’ times are independent.
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Let X k denote the time it takes for the k th student to finish the exam so X k E...View the full answer
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