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Figure out 1). H0 and H1 and 1). the decision rule. The Andersons Super Dollar had two grocery stores in Erie, Pennsylvania.

Figure out 1). H0 and H1 and 1). the decision rule.  
The Andersons Super Dollar had two grocery stores in Erie, Pennsylvania.  The mean time customers wait in the checkout line at the Byrne Road store is 3.7 minute with a standard deviation of .8 minutes, for a sample of 40 customers. The mean waiting time for the I-90 store is 3.5 minutes with a standard deviation of .7 minutes for a sample of 45 customers.  At the .05 significance level can we conclude there is a difference in the waiting time for the two stores?
Use Z Values to solve.

This question was asked on Apr 15, 2010.

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