SOLUTION: 1. West Side Wanda's sells fried chicken pieces, and William has determined that, of those who buy chicken, the distribution of sales is as follows Pieces / Probability 1

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Question 845147: 1. West Side Wanda's sells fried chicken pieces, and William has determined that, of those who buy chicken, the distribution of sales is as follows
Pieces / Probability
1 / 0.3
2 / 0.5
3 / 0.2

a) What is the mean number of pieces sold per person?
b) What is the standard deviation of the number of pieces sold?
c) If each piece of chicken sells for $1.50, what is Wanda's mean sales value per person?

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 
Hi,
Expected value and SD
1 0.3 0.3 0.3
2 0.5 1 2
3 0.2 0.6 1.8
m = 1.9 4.1
squared 3.61 -3.61
0.49
0.7 SD
a) What is the mean number of pieces sold per person? 1.9 0r 2 rounded to nearest whole number
b) What is the standard deviation of the number of pieces sold? .7
c) If each piece of chicken sells for $1.50, what is Wanda's mean sales value per person? 2+%2A+1.50 $3.00