A study of the time spent shopping in a supermarket for 20 specific items showed an approximately uniform distribution between 25 minutes and 35 minutes. a. What is the probability that the shopping time will be between 29 and 32 minutes? b. What is the probability that the shopping time will be less than 31 minutes? c. What are the mean and standard deviation of the shopping time? a. The probability that the shopping time will be between 29 and 32 minutes is .
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The range is the difference between the maximum value and the minimum value. In this case, the range is 35 - 25 = 10 minutes. Show more…
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