SOLUTION: Please help me solve this problem The survey found that customers overpay for 1 out of every 10 items, on average. Suppose a customer purchases 5 items find the following probab

Algebra ->  Probability-and-statistics -> SOLUTION: Please help me solve this problem The survey found that customers overpay for 1 out of every 10 items, on average. Suppose a customer purchases 5 items find the following probab      Log On


   



Question 410248: Please help me solve this problem
The survey found that customers overpay for 1 out of every 10 items, on average. Suppose a customer purchases 5 items find the following probabilities:
P(0-overpays)
P(1-overpays)
P(2-overpays)
P(3-overpays)
P(4-overpays)
P(5-overpays)

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
The survey found that customers overpay for 1 out of every 10 items, on average.
P(overpay) = 1/11
P(do not overpay) = 10/11
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Suppose a customer purchases 5 items find the following probabilities:
P(0-overpays):: (10/11)^5
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P(1-overpays):: 5C1(1/11)*(10/11)^4
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P(2-overpays):: 5C2(1/11)^2*(10/11)^3
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etc.
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P(3-overpays)
P(4-overpays)
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Cheers,
Stan H.
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P(5-overpays)