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mariarad [96]
3 years ago
12

Find the probability. An IRS auditor randomly selects 3 tax returns (without replacement) from 47 returns of which 5 contain err

ors. What is the probability that she selects none of those containing errors?
A. 0.0012

B. 0.0006

C. 0.708

D. 0.7136
Mathematics
1 answer:
grin007 [14]3 years ago
8 0
Number of returns = 47
Number of returns that contain errors = 5
Number of returns that does not contain error = 47 - 5 = 42

P(selecting none that contains error in the unreplaced selection) = 42/47 x 41/46 x 40/45 = 68880 / 97290 = 0.708

option C is the correct answer.
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