A manufacturer of cotter pins knows that 5% of his product is defective. He sells pins in boxes of 100 and guarantees that not more than one pin will be defective in a box. In order to find the probability that a box will fail to meet the guaranteed quality, the probability distribution one has to employ is
A) binomial
B) poisson
C) normal
D) exponential
Correct Answer:
B
Solution :
Required probability distribution is poisson distribution.