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Mathematics, 16.11.2020 20:30, leximae7720
The graph shows the distribution of the number of text messages young adults send per day. The distribution is approximately Normal, with a mean of 128 messages and a standard deviation of 30 messages.
What percentage of young adults send more than 158 text messages per day?
16%
34%
68%
84%
![answer](/tpl/images/cats/otvet.png)
Answers: 2
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The graph shows the distribution of the number of text messages young adults send per day. The distr...
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