Iid gaussian random variables with expected value

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In a race of 10 sailboats, the finishing times of all boats are iid Gaussian random variables with expected value 35 minutes and standard deviation 5 minutes.

(a) What is the probability that the winning boat will finish the race in less than 25 minutes?

(b) What is the probability that the last boat will cross the finish line in more than 50 minutes?

Reference no: EM131084476

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