Find the indicated probability.
-A IRS auditor randomly selects 3 tax returns from 49 returns of which 7 contain errors. What is the probability that she selects none of those containing errors? Round to four decimal places.
A) 0.6231
B) 0.0029
C) 0.6297
D) 0.0019

Question

Quizplus · Accepted Answer

The probability of selecting a return with an error is 7/49. The probability of selecting a return without an error is 42/49. The probability of selecting 3 returns without errors is (42/49)^3 = 0.6231.

Find the Indicated Probability