Entered Answer Preview Result 0.9751 0.9751 correct 0.7199 0.7199 сотесt 0.0037 0.0037 incorrect At least one of the ans

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Entered Answer Preview Result 0.9751 0.9751 correct 0.7199 0.7199 сотесt 0.0037 0.0037 incorrect At least one of the answers above is NOT correct Just answer option c. (5 points) Assume that the monthly worldwide average number of airplaine crashes of commercial airlines is 2.2. What is the probability that there will be (a) at most 5 such accidents in the next month? 0.9751 (b) less than 6 such accidents in the next 2 months? 0.7199 (e) exactly 3 such accidents in the next 5 months? 0.0037 (4 points) Suppose that the time (in hours) required to repair a machine is an exponentially distributed random variable with parameter i= 0.4. What is (a) the probability that a repair takes less than 10 hours? (b) the conditional probability that a repair takes at least 8 hours, given that it takes more than 5 hours?