Question

the items of a factor are defective the items are packed in box what is the probability inc gi hi

Answer 1

Answer:

Let be the number of defective items in the first sample of size , and the number of defective items in the sample of size . Then and . The batch will be accepted in the following cases :

The probabilities of these events are as follows :

and

Adding these three results, we see that the probability thatthe batch is accepted is