According to a University Center for Logistics Management, 11% of all merchandise sold in the United States gets returned. A Seattle department store sampled 88 items sold in January and found that 8...

According to a University Center for Logistics Management, 11% of all merchandise sold in the United States gets returned. A Seattle department store sampled 88 items sold in January and found that 8 of the items were returned.


If you have the following null and alternative hypotheses for a test you are running:


H0:p=0.11H0:p=0.11
Ha:p>0.11Ha:p>0.11

z=