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It takes on average 40 minutes to visit a grocery store. a) What's the probability that visiting a store takes more than 1 hour b)

It takes on average 40 minutes to visit a grocery store. a) What's the probability that visiting a store takes more than 1 hour

b) If it has already taken 30 minutes to visit a store, what is the probability that it will take 1 hour more c)If the store management sets a target that the visit should take 35 minutes, how this would/should affect the average visiting time?

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