Mathematics, 26.06.2020 15:01 reycaden
The probability distribution of the daily number of customers at the YumYum is given below. Daily number of customers Probability 20 0.2 40 0.3 60 0.4 80 0.1 What is the standard deviation of the number of daily customers
Answers: 3
![\left|\begin{array}{c|c|c|c|c}x&x-E(x)&(x-E(x))^2&P(x)&(x-E(x))^2 \cdot P(x)\\20&-28&784&0.2&156.8\\40&-8&64&0.3&19.2\\60&12&144&0.4&57.6\\80&32&1024&0.1&102.4\\Total&&&&336\end{array}\right]](/tpl/images/0694/5176/44bda.png)
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The probability distribution of the daily number of customers at the YumYum is given below. Daily nu...
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