On average, 5.6 shoplifting incidents occur per week at an electronics store. Find the probability that...
On average, 5.6 shoplifting incidents occur per week at an electronics store. Find the probability that exactly 3 such incidents will occur during a given week at this store. Round your answer to four decimal places. P (exactly 3) = ???
Homework Answers
Solution :
Given that ,
mean = 
= 5.6
Using Poisson probability formula,
P(X = x) = (e-
*
x ) / x!
P(X = 3) = (e-5.6 * 5.63) / 3!
= 0.1082
Probability = 0.1082
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