## The IRS has a group of 45 tax returns, 15 of which contain errors. An IRS auditor randomly selects 3 tax returns from this group. What is th

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## Answers ( No )

Answeeeeeerrrrr0.2861

Out of 45, there are 45-15=30 that do not contain errors.

If the auditor randomly selects 3 returns, without replacement, then

P(1)=30/45,

for the second one, there will be 29 correct returns out of 44, so

P(2)=29/44

Similarly,

P(3)=28/43

Therefore, by the multiplication rule, the probability of selecting 3 correct returns is the product

P(1)*P(2)*P(3)=30*29*28/(45*44*43)=

406/1419