Question 984051
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The probability of any given number being sold is the number of days that number sold divided by the total number of sales days, e.g. the probability of selling 1 is 25/100.


The probability of selling x or y units is the probability of selling x plus the probability of selling y.


To find the average, find the probability of each possible number of sales, multiply each of those probabilities times that number of sales, and then add up all five results, that is:  0 times .05 plus 1 times .25 plus ...


John
*[tex \LARGE e^{i\pi}\ +\ 1\ =\ 0]
My calculator said it, I believe it, that settles it

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