Question: 3) Suppose that a class in elementary statistics was allocated 15 minutes to take a quiz. It can be assumed that the time X it

3) Suppose that a class in elementary statistics was allocated 15 minutes to take a quiz. It can be assumed that the time X it takes to complete the quiz is uniformly distributed over the interval [0, 15]. Suppose a student from the class is selected at random, what is the probability that the student will take more than 10 minutes to complete the quiz?

4) A random variable x has an exponential distribution with a mean of 100. What is P(x > 100)?

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