jason the clown brings a total of 20 balloons to jake's birthday party. there are 7 yellow, 2 red, and 11 green balloons. he reaches into his pocket and randomly selects a color balloon animal. if he pulls a yellow balloon first, what is the probability of the next color to be selected randomly will also be yellow?

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28-07-2017
Mathematics

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jason the clown brings a total of 20 balloons to jake's birthday party. there are 7 yellow, 2 red, and 11 green balloons. he reaches into his pocket and randomly selects a color balloon animal. if he pulls a yellow balloon first, what is the probability of the next color to be selected randomly will also be yellow?

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pinkt1899 pinkt1899 · Answer 1 · 2017-07-29T00:00:13+02:00

pinkt1899 pinkt1899

29-07-2017

I'm assuming it would be 6/20.

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twvogels twvogels · Answer 2 · 2017-07-29T00:01:32+02:00

twvogels twvogels

29-07-2017

[tex]P_{yellow}=\frac{yellow}{total}[/tex]

Be careful here: There is one less yellow (and one less total) since he already took a yellow one, thus:

[tex]P_{yellow}=\frac{6}{19}=\approx 31.6\%[/tex]

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