## The manager of a department store wants to determine the proportion of customers who use the store’s credit card when making a purchase. Wha

Question

The manager of a department store wants to determine the proportion of customers who use the store’s credit card when making a purchase. What sample size should he select so that at 96% confidence the error will not be more than 10%?

a. 106

b. 76

c. 1

d. There is not enough information given to determine the sample size

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2021-10-08T14:42:01+00:00
2021-10-08T14:42:01+00:00 1 Answer
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## Answers ( )

Answer:Option A) 106

Step-by-step explanation:We are

given the followingin the question:Confidence level = 96%

Margin of error = 10%

Formula:Sample size, n =

Since, we are not given any proportion, we take

Putting all the value, we get,

Thus, the correct answer is

Option A) 106