You choose a sample of 49 orders through a one hour period

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You are a manager of a fast food restaurant. The population mean waiting time to place an order is 4.5 minutes with a population standard deviation of 1.4 minutes. You want to test if the waiting time to place an order has changed from the 4.5 minutes. You select a sample of 49 orders during a one hour period. The sample mean is 5.0 minutes. Use a 0.05 level of significance, and the p-value approach to test if there has been a change in the mean waiting time to place an order.

HO: μ "State the null hypothesis."

HA: μ "State the alternativel hypothesis."

"State the rejection rule"

"Compute the test statistic for the test stated in the problem"

"State if you reject or fail to reject the null hypothesis."

Reference no: EM13470743

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