Question

There are 5% defective items in a large bulk of items. What is the probability that a sample of 10 items will include not more than one defective item ? Select the correct answer from above options

Answer 1

Probability of getting one defective item = 5% = 5 100 = 1 20 Probability of getting a good item = 1 - 1 20 = 19 20 A sample of 10 item include not more than one defective item. => sample contains at most (me defective item Its probability = P (0) + P (1)