SOLUTION: Suppose you are testing 10 items that you manuafactured to see if there are any defected items. If the probability of an item being defective is .01, what is the probability that 2

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Question 472899: Suppose you are testing 10 items that you manuafactured to see if there are any defected items. If the probability of an item being defective is .01, what is the probability that 2 out of the 10 are defective?
Answer by edjones(8007)   (Show Source): You can put this solution on YOUR website!
p=.01, q=.99, n=10
nCr=10C2=45 coefficient.
45*p^2*q^8=.00415 the probability that 2 out of the 10 are defective.
.
Ed

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