Multiple Choice
A restaurant manager wants to determine the percent of time the servers are working and idle using work sampling. His calculation shows that he needs to take a sample of 100 based on a z value of 2. If he wants to use a z value of 3, how many more samples does he need to take?
A) 225
B) 125
C) 150
D) 50
E) There is not enough information.
Correct Answer:
Verified
Correct Answer:
Verified
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