SOLUTION: Question- 2% of parts manfacturer are defective,, 45 parts are selected, out of that what is the probability that exactly 3 are defective and 5exactly 5 are defective. Please show
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Question 326010: Question- 2% of parts manfacturer are defective,, 45 parts are selected, out of that what is the probability that exactly 3 are defective and 5exactly 5 are defective. Please show me the formula used and the answer. thank you. Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! Question- 2% of parts manfacturer are defective,, 45 parts are selected, out of that what is the probability that exactly 3 are defective and 5exactly 5 are defective.
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Binomial Problem with n = 45 and p = 0.02
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P(x=3) = 45C3*(0.02)^3*(0.98)^42 = 0.0486
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P(x=5) = 45C5*(0.02)^5*(0.98)^40 = 0.0017
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Cheers,
Stan H.
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