SOLUTION: A box contains 1212 transistors, 33 of which are defective. If 33 are selected at random, find the probability that
a. All are defective. (Type a fraction. Simplify your ans
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Question 1132411: A box contains 1212 transistors, 33 of which are defective. If 33 are selected at random, find the probability that
a. All are defective. (Type a fraction. Simplify your answer.)
b. None are defective. (Type a fraction. Simplify your answer.)
Answer by greenestamps(13200) (Show Source): You can put this solution on YOUR website!
I will assume that the problem is about 12 transistors, of which 3 are defective....
P(3 defective) =
P(0 defective) =
Another simple way to calculate the probabilities in this problem is to calculate the probabilities when choosing the transistors one at a time:
P(3 defective) =
P(0 defective) =
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