More defective components:A lot of 1030 components contains 336

that are defective. Two components are drawn at random and tested. Let A be the event that the first component drawn is defective, and let B

be the event that the second component drawn is defective. Write your answer as a fraction or a decimal, rounded to four decimal places.

(a) Find P(A)

.

(b) Find PB|A).

.

(c) Find P (AandB)

.

(d) Are A and B independent? Is it reasonable to treat A and B as though they were independent? Explain.