Compare two services overall percentage of late deliveries

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Reference no: EM131393207

Delivery service. A company must decide which of two delivery services it will contract with. During a recent trial period, the company shipped numerous packages with each service and kept track of how often deliveries did not arrive on time. Here are the data:

Delivery Service	Type of Service	Number of Deliveries	Number of Late Packages
Pack Rats	Regular	400	12
Pack Rats	Overnight	100	16
Boxes R Us	Regular	100	2
Boxes R Us	Overnight	400	28

a) Compare the two services overall percentage of late deliveries.

b) On the basis of the results in part a, the company has decided to hire Pack Rats. Do you agree that Pack Rats delivers on time more often? Why or why not? Be specific.

c) The results here are an instance of what phenomenon?

Reference no: EM131393207

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