Find likelihood the sample mean is between given value

Reference no: EM13151588

A recent study by the Island Resort Taxi Drivers Association showed that the mean fare charged for service from the beach to the airport is $18.00 and the standard deviation is $3.50. We select a sample of 15 fares.

a. What is the likelihood the sample mean is between $17.00 and $20.00?
b. What must you assume to make the above calculation?

Reference no: EM13151588

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