SOLUTION: 1. Three students decided to go to Chicken King for lunch. Chicken King has a historical record of filling 90% of its orders accurately. What is the mean and standard deviation

Algebra ->  Probability-and-statistics -> SOLUTION: 1. Three students decided to go to Chicken King for lunch. Chicken King has a historical record of filling 90% of its orders accurately. What is the mean and standard deviation      Log On


   

Question 920038: 1. Three students decided to go to Chicken King for lunch. Chicken King has a historical record of filling 90% of its orders accurately.
What is the mean and standard deviation of the number of orders filled accurately?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
p(correctly) = .90, n = 3
m = .90n = .90•3 = 2.7
sd = sqrt%28.90%2A.10%2A3%29 = .5196