Consider the Following to Answer the Question(s) Below

question 20

Multiple Choice

Consider the following to answer the question(s) below:
The owner of a small convenience store is trying to decide whether to discontinue selling magazines. He suspects that only 5% of the customers buy magazines and thinks that he might be able to sell something more profitable. Before making a final decision, he keeps track of the number of customers who buy magazines each day. On a typical day he has 280 customers in his store.
-On a typical day, what would be the standard deviation in the number of customers who buy magazines?

• A) 3.65
• B) 14
• C) 13.32
• D) 25
• E) 5

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Definitions:

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