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The length of a social media interaction is normally distributed with a mean of 3 minutes and a standard deviation of 0.4 minutes. What is the probability that an interaction la…

The length of a social media interaction is normally distributed with a mean of 3 minutes and a standard deviation of 0.4 minutes. What is the probability that an interaction la…
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1 vote
The length of a social media interaction is normally distributed with a mean of 3 minutes and a standard deviation of 0.4 minutes. What is the probability that an interaction lasts longer than 4 minutes?

asked
User JDKot
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8.8k points

1 Answer

2 votes
z = (4 - 3)/.4
z = 1/.4
z = 2.5
.0062
answered
User Dmitry Zotikov
by
9.2k points
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