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What is the probability that als commute

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The lengths of time Al's commute are normally distributed with mean 36 minutes and standard deviation 4.5 minutes

a) On any given day what is the probability that als commute takes more than 40 minutes

b) For any 5 days what is the probability that the average commute time exceeds 40 min

c) 10% of al's commute take less than what time

Reference no: EM132040930

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