May 27, 2016

Homework Help: statistics

Posted by stacy on Tuesday, June 12, 2012 at 8:35am.

. Facebook reports that the average number of Facebook friends worldwide is 175.5 with a standard deviation of 90.57. If you were to take a sample of 25 students, what is the probability that the mean number Facebook friends in the sample will be 190 friends or more?

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