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24-07-2016
Mathematics

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a vendor has 18 balloons for sale: 9 are yellow, 3 are red, and 6 are green. a balloon is selected at random and sold. if the balloon sold is yellow, what is the probability that the next balloon selected at random is also yellow?

Respuesta :

24-07-2016

There are 17 balloons remaining, of which 8 are yellow. therefore the probability that the next balloon is also yellow is 8/17

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24-07-2016

After the first sale, you have 8 yellow ones left, in a total bunch of 17 balloons. The probability that the next random draw is a yellow one is. 8/17 = about 47.1% .

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