SOLUTION: Past experience indicates that an average number of 6 customers per hour stop for gasoline at a gasoline pump. What is the probability of (a) three customers stopping in any hour?

Question 930584: Past experience indicates that an average number of 6 customers per hour stop for gasoline at a gasoline pump. What is the probability of (a) three customers stopping in any hour? (b) Three customers or less in any hour?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
avg = 6 per hour
.....
POISSON Distribution
P(x = 3) = poissonpdf(6,3)= .0892
P(x ≤ 3) = poissoncdf(6,3)= .1512
Using a TI calculator 0r similarly a Casio fx-115 ES plus
.......
Recommend Using stattrek.com to check Results
until You are familiar with Using Your Calculator.

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