SOLUTION: In a batch of 100 cell phones, there are, on average, 9 defective ones. If a random sample of 30 is selected, find the probability of 3 defective ones.

Algebra ->  Probability-and-statistics -> SOLUTION: In a batch of 100 cell phones, there are, on average, 9 defective ones. If a random sample of 30 is selected, find the probability of 3 defective ones.       Log On