Multiple Choice
Exhibit 16.3 Stella would like to determine the amount of the average purchase at her software store with a total precision of $10,a historical average purchase variance of $150,and at a 95% confidence level.
Refer to Exhibit 16.3.If Stella wishes to increase the total precision to $5,what sample size is needed?
A) 8
B) 54
C) 48
D) 96
E) 24
Correct Answer:
Verified
Correct Answer:
Verified
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