Multiple Choice
A random sample of 31 charge sales showed a sample standard deviation of $50. A 90% confidence interval estimate of the population standard deviation is
A) 1,715.10 to 4,055.68
B) 1,596.45 to 4,466.73
C) 39.96 to 66.83
D) 41.39 to 63.68
Correct Answer:

Verified
Correct Answer:
Verified
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