Question

Suppose that 25% of the products of a manufacturing process are defective. Three items are selected at random, inspected, and classified as defective (D) or non-defective (N). Find ( a) The probability distribution of the number of defective items (b) The expected value (mean) and the variance of the number of defective items.

Answer 1

Answer:

Three items are selected at random, inspected, and classified as defective (D) or non-defective (N). Find the probability distribution of the ...