A company randomly selected nine office employees and secretly monitored their computers for one month. The...

A company randomly selected nine office employees and secretly monitored their computers for one month. The times (in hours) spent by these employees using their computers for non-job-related activities (playing games, personal communications, etc.) during this month are given below. Assuming that such times for all employees are normally distributed, make a confidence interval for the corresponding population mean for all employees of this company. Round your answers to two decimal places.

7, 9 ,10, 8, 11, 4, 14, 1, 6

Solutions

Expert Solution

Solution:-

Given

All employees are normally distributed

n = 9

X : 7, 9, 10, 8, 11, 4, 14, 1, 6

95% confidence interval for mean

(5.24, 10.32)

95% C I for

orchestra answered 1 year ago

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