It Has Been Reported That the Average Time to Download

question 64

Multiple Choice

It has been reported that the average time to download the home page from a government website was .9 seconds. Suppose that the download times were normally distributed with a standard deviation of .3 seconds. If random samples of 36 download times are selected, calculate the standard deviation of the sampling distribution of the sample mean.

• A) .3
• B) .15
• C) .9
• D) .05

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