. a) A manufacturing process produces on the average 1.2 defects per 100 units of output and the number of defects follows a Poisson distribution. (i) What is the probability that the next 500 units...

. a) A manufacturing process produces on the average 1.2 defects per 100 units of output and the
number of defects follows a Poisson distribution.
(i) What is the probability that the next 500 units show less than three defects.
(ii) Probability between 2 and 3 defects.