To estimate the average time spent by employees using the internet in nonbusiness (personal) purposes, the manager selected a sample of 30 employees and found a mean of 50 minutes per day. A 90% confidence interval for the population mean was (44.6, 55.4). Which one of the following statements is the correct interpretation of the results? We are 90% confident that 90% of the employees in the company spend between 44.6 minutes and 55.4 minutes per day in using internet for personal purposes. We are 90% confident that all employees in the company spend between 44.6 minutes and 55.4 minutes per day in using internet for personal purposes. The probability that the population mean is between 44.6 minutes and 55.4 minutes is 0.90. We have 90% confidence that the mean daily time spent by all employees using the internet in nonbusiness purposes is between 44.6 and 55.4 minutes