Multiple Choice
It is desired to estimate the average time it takes Statistics students to finish a computer project to within two hours at 97% reliability. It is estimated that the standard deviation of the times is 14 hours. How large a sample should be taken to get the desired interval?
A) n = 17
B) n = 189
C) n = 231
D) n = 133
Correct Answer:
Verified
Correct Answer:
Verified
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