A commuter encounters four traffic lights each day on her way to work. Let X represent the number of these that are red lights. The probability mass function of X is as follows. 0 1 2 3 4 P(X = x) 0.1 0.3 0.3 0.2 0.1 What is the probability that in a period of 100 days, the average number of red lights encountered is more than 2 per day?

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A: (As per bartleby guidelines, for multiple questions asked, only the first question will be solved.…

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A: In the given problem we have a pmf.  And we have answer either true or false.

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A: Solution

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Q: Exercise 3.3 Suppose that the probability density function of X is (3x², 0 2/3).

A: According to bartleby policy I have solved first question. I hope it will help you

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