Question

spark plugs are being inspected for quality. A lot is considered acceptable if 5% or fewer of the spark plugs are defective. A random sample of 10 spark plugs is selected from a given lot. If the lot is acceptable, with only 1% defective spark plugs, what is the probability that none of the spark plugs in the sample are defective?

Answer 1

solution :- m-X xn Binomial (10 ; 0.01) P(x) = 1 h) pt a P ( Nome defective) 1o 10) (0.01) (0.99 = 0.9044