To determine the mean of the given probability distribution, all we have to do is get the sum of the product of the number of cups and its probability.
[tex]0(0.05)+1(0.10)+2(0.75)+3(0.10)[/tex][tex]0+0.10+1.5+0.3[/tex][tex]1.9\approx2[/tex]
Therefore, the average or the mean number of cups is 2.
