Suppose that 3% of all TVs made by some Company in 2012 are defective.If 2 of these TVs are randomly selected what is the probability that both are defective?
A) 0.0009
B) 0.0025
C) 0.0900
D) 0.0475
E) 0.19

Question

Quizplus · Accepted Answer

The probability that the first TV is defective is 0.03. If the first TV is defective, the probability that the second TV is also defective is 0.03. Therefore, the probability that both TVs are defective is 0.03 * 0.03 = 0.0009.

Suppose That 3% of All TVs Made by Some Company