Zip, Inc. manufactures Zip drives on two different manufacturing processes.Because the management of this company is interested in determining if process 1 takes less manufacturing time, they selected independent samples from each process.The results of the samples are shown below.

Process 1Process 2

Sample Size2722

Sample Mean (in minutes)1014

Sample Variance1625

a.State the null and alternative hypotheses.

b.Determine the degrees of freedom for the t test.

c.Compute the test statistic

d.At 95% confidence, test to determine if there is sufficient evidence to indicate