SOLUTION: Package of 10 game boy sets contains 2 defective sets. If 5 sets are to be picked out randomly and sent to a customer for an inspection, in how many ways can the customer find at l

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Question 481857: Package of 10 game boy sets contains 2 defective sets. If 5 sets are to be picked out randomly and sent to a customer for an inspection, in how many ways can the customer find at least 1 defective set?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Package of 10 game boy sets contains 2 defective sets. If 5 sets are to be picked out randomly and sent to a customer for an inspection, in how many ways can the customer find at least 1 defective set?
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Binomial Problem with n = 5 and p = 2/10 =1/5
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P(at least one) = 1 - P(none)
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P(1<= x <=5) = 1 - (4/5)^5
= 1 - 0.3277
= 0.6723
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Cheers,
Stan H.