SOLUTION: A company which supplies ready-mix concrete receives,on average 6 orders per day. a.What is the probability that, on a given day i. No order will be received? ii. No more

Question 771239: A company which supplies ready-mix concrete receives,on average 6 orders per day.
a.What is the probability that, on a given day
i. No order will be received?
ii. No more than 2 orders will be received?
iii. At least 3 orders will be received?
Answer by oscargut(2103) (Show Source): You can put this solution on YOUR website!
Let x = number of orders received per day
X has a poisson distribution with parameter l = 6

i. No order will be received?
ii. No more than 2 orders will be received?
iii. At least 3 orders will be received?
Answers:
i) P(X=0)= 0.0025
ii) P(X<=2)= 0.062
iii) P(x >=3) = 1-P(X<=2) = 1-0.062 = 0.938
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