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1) What is the probability of finding at most (less than or equal to) 20 defects in 150 samples, if the probability of defect is
1) What is the probability of finding at most (less than or equal to) 20 defects in 150 samples, if the probability of defect is 0.2?
2) What is the probability of finding (exactly) 20 defects in 50 samples, if the probability of defect is 0.3?
3) Given the frequency table below, what is the probability that a house has a garage given that it has a backyard?
GarageNo Garage
Backyard7535110
No Backyard80120200
Total155155310
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