# Question

The competing hypotheses for a particular hypothesis test are as follows: H0: μ > 2500 seconds Ha: μ < 2500 seconds Assume the population standard deviation is known to be 140 seconds and that you intend to take a random sample of size 49. Using a significance level of .10,

a. state your decision rule in seconds.

b. If the sample mean is 2462 seconds, should you reject the null hypothesis? Explain.

a. state your decision rule in seconds.

b. If the sample mean is 2462 seconds, should you reject the null hypothesis? Explain.

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