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A bag contains 4 balls. Each ball is a single color, and 3 distinct colors are represented in the bag. What is the probability that the first 3 balls selected without replacement are the same color? Express your answer as a common fraction.

 Dec 23, 2021
 #1
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Total number of balls = 4

Number of balls selected = 3

Then total probability = 2/4 * 1/3 = 1/6

where 2/4 represents that out of 4 balls 2 of

Same color one selected and then as the selection

is without replacement so neat balls having 

1/3 probability. of selection on 1 ball is already selected

and not kept back in bag.

 Dec 23, 2021

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