It Has Been Reported That the Average Time to Download

question 58

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, what is the probability that the sample mean will be less than .84 seconds?

• A) .1151
• B) .4522
• C) .8849
• D) .5478

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