Pizza restaurant manager claims

Reference no: EM13245261

A pizza restaurant manager claims that the average home delivery time for their pizza is no more than 20 minutes.

A random sample of 49 home delivery pizzas was collected. The sample mean was found to be 21.25 minutes and the standard deviation was found to be 4.3 minutes. Is there evidence to reje.

Reference no: EM13245261

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Pizza restaurant manager claims : A pizza restaurant manager claims that the average home delivery time for their pizza is no more than 20 minutes.

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