madsgrace madsgrace

13-11-2017
Mathematics

contestada

Can someone please just explain what I need to do? I'm so confused

The length of a text messaging conversation is normally distributed with a mean of 10 minutes and a standard deviation of 4 minutes. What is the probability that a conversation lasts longer than 20 minutes?

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gisselm2 gisselm2

17-11-2017

Durant missed the preseason finale against Sacramento, allowing Nick Young to get experience starting and score 15 points.

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