Find the indicated probability.
-A sample of 100 wood and 100 graphite tennis rackets are taken from the warehouse. If 9 wood and 19 graphite are defective and one racket is randomly selected from the sample, find the probability that the racket is wood or defective.
A) 0.545
B) 0.14
C) 0.595
D) There is insufficient information to answer the question.

Question

Quizplus · Accepted Answer

The probability of selecting a wood racket is 100/200 = 0.5. The probability of selecting a defective racket is (9+19)/200 = 0.14. The probability of selecting a wood and defective racket is 9/200 = 0.045. Using the formula P(A or B) = P(A) + P(B) - P(A and B), we get 0.5 + 0.14 - 0.045 = 0.595.

Find the Indicated Probability