SOLUTION: Given: P(good)= 0.70 and P(defective)= 0.30 In a sample of five items, find P(exactly four are good)

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Question 578817: Given: P(good)= 0.70 and P(defective)= 0.30

In a sample of five items, find P(exactly four are good)
Answer by stanbon(75887) About Me  (Show Source):
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Given: P(good)= 0.70 and P(defective)= 0.30
In a sample of five items, find P(exactly four are good)
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P(x = 4) = 5C4*0.7^4*0.3 = binompdf(5,0.7,4) = 0.3601
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Cheers,
Stan H.
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