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

Option A) 106  

Step-by-step explanation:

We are given the following in 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

well my understanding of this question is they want you to use the y=14.1x -2.3 and put the coordinates they gave you onto the line segment of   y=14.1x -2.3

step-by-step explanation: