A lot of 1000 components contains 150 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.
Find P(A).
A) 0.0067
B) 0.0224
C) 0.15
D) 0.1491

Question

Quizplus · Accepted Answer

P(A) is the probability that the first component drawn is defective, which is simply the ratio of defective components to total components, or 150/1000 = 0.15.

A Lot of 1000 Components Contains 150 That Are Defective