Multiple Choice
A company is interested in estimating ,the mean number of days of sick leave taken by its employees.The firm's statistician randomly selects 100 personnel files and notes the number of sick days taken by each employee.The sample mean is 12.2 days and the sample standard deviation is 10 days.Calculate a 93% confidence interval for
,the mean number of days of sick leave.
A) [10.725 13.675]
B) [10.390 14.010]
C) [12.019 12.381]
D) [12.053 12.348]
E) [11.735 12.665]
Correct Answer:

Verified
Correct Answer:
Verified
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