SOLUTION: A committee is being formed from 9 republicans and 18 democrats. If a four-person committee is selected at random, what is the probability that the committee will be all democrats?
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Question 1109747: A committee is being formed from 9 republicans and 18 democrats. If a four-person committee is selected at random, what is the probability that the committee will be all democrats? (%) Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! A committee is being formed from 9 republicans and 18 democrats. If a four-person committee is selected at random, what is the probability that the committee will be all democrats? (%)
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the 1st choice is 18 of 27 = 2/3
then 17/26
Then 16/25
then 15/24
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Since there is no order, divide by 4*3*2*1 = 24
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