05-12-2016
Mathematics

contestada

The length of a social media interaction is normally distributed with a mean of 3 minutes and a standard deviation of .4 minutes. What is the probability that an interaction lasts longer than 4 minutes?

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ShadowWolf18 ShadowWolf18

05-12-2016

So what I did i multiply 3 and the 4 which gave me 12 but that when I thought that didn't sound right at all so I thought you wanted the percentage. So instead I took 3 / 4 it gave me 0.75. So your answer should be 75%.

I do hope this helped, if not I am truly sorry for my mistake.

~Shadow

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