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The number of smartphones sold per hour by a certain online outlet is normally distributed with mean 46 and standard deviation 5.1. They aim to
The number of smartphones sold per hour by a certain online outlet is normally distributed with mean 46 and standard deviation 5.1. They aim to sell 52 smartphones per hour. The probability they exceed that aim is equal to... 88.5% \begin{tabular}{|l|} \hline 21.6% \\ \hline 12.0% \\ \hline \end{tabular} 78.4%
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