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What is the Probability

Statistics
Tutor: None Selected Time limit: 1 Day

a city council consists of eight Democrats and six Republicans. If a committee of five people is selected, find the probability of selecting two Democrats and three Republicans.

Apr 9th, 2015

Use combinations:

(8C2)(6C3) / 14C5 = (28)(20) / 2002 = 0.28 or 28%

Apr 9th, 2015

The answer has to be in the form of a simplified fraction.

Apr 9th, 2015

Ok, then it's 280/1001

Apr 9th, 2015

No it was 40/143

Apr 9th, 2015

No it was 40/143

Apr 9th, 2015

No it was 40/143

Apr 9th, 2015

yep, same thing 280/1001 = 40/143

Apr 9th, 2015

It has to be simplified or else its wrong

Apr 9th, 2015

Oh, sorry. I'll do another one for you for free.

Apr 9th, 2015

Just post it right here and I'll do it.


Apr 9th, 2015

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Apr 9th, 2015
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Apr 9th, 2015
Dec 10th, 2016
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