anonymous
  • anonymous
Find the probability. An IRS auditor randomly selects 3 tax returns (without replacement) from 47 returns of which 5 contain errors. 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
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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amistre64
  • amistre64
i was thinking the hypergeometric probability
amistre64
  • amistre64
\[P(x)=\frac{\binom{N-M}{n-k}\binom{M}{k}}{\binom{N}{n}}\] i think is how its set up
amistre64
  • amistre64
N items M successes n drawn k of them are success

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amistre64
  • amistre64
n= 3 N=47 M=47-5 What is the probability that she selects none of those containing errors (3) successes is how im interping it
amistre64
  • amistre64
(5 choose 0)(42*41*40/3!)\(47*46*45/3!); thnx to wolfram = .7079 if its right :)

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