SOLUTION: assume the number of sales per day of an app in the apple iOS App is normally distributed. 1.what two parameters of distribution would you need to be able to determine the proba

Question 729510: assume the number of sales per day of an app in the apple iOS App is normally distributed.
1.what two parameters of distribution would you need to be able to determine the probability of sales on a particular day exceeding 100 units?
2.If the probability of sales exceeding 100 units is 20% and the mean daily sales is 86 units, then what is the standard deviation of the distribution?

Answer by lynnlo(4176) (Show Source): You can put this solution on YOUR website!

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