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Mean and standard deviation of the shopping time

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Reference no: EM1390461

A study of the time spent shopping in a supermar- ket for a market basket of 20 specific items showed an approximately uniform distribution between 20 minutes and 40 minutes. What is the probability that the shopping time will be:

a) Between 25 and 30 minutes?

b. Less than 35 minutes?

c. What are the mean and standard deviation of the shopping time?

Reference no: EM1390461

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