It Has Been Reported That the Average Time to Download

question 20

Multiple Choice

It has been reported that the average time to download the home page from a government website was 0.9 seconds.Suppose that the download times were normally distributed with a standard deviation of 0.3 seconds.If random samples of 36 download times are selected,calculate the mean of the sampling distribution of the sampling mean.

• A)0.3
• B)0.15
• C)0.9
• D)0.05