Fowle Marketing Research, Inc., bases charges to a client on the assumption that telephone surveys can be completed in a

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answerhappygod
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Fowle Marketing Research, Inc., bases charges to a client on the assumption that telephone surveys can be completed in a

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Fowle Marketing Research, Inc., bases charges to a client on the
assumption that telephone surveys can be completed in a mean time
of 15 minutes or less. If a longer mean survey time is necessary, a
premium rate is charged. Suppose a sample of 35 surveys produces
the data in the Microsoft Excel Online file below. Use a known σ =
3.8 minutes. Is the premium rate justified?
b.) Compute the value of the test statistic (to 2 decimals).
c.) What is the p-value (to 4 decimals)?
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