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A bag contains 10 red marbles, 15 yellow marbles, 5 green marbles, and 20 blue marbles. Two marbles are drawn from the bag. Which expression represents the probability that one …

A bag contains 10 red marbles, 15 yellow marbles, 5 green marbles, and 20 blue marbles. Two marbles are drawn from the bag. Which expression represents the probability that one …
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A bag contains 10 red marbles, 15 yellow marbles, 5 green marbles, and 20 blue marbles. Two marbles are drawn from the bag.

Which expression represents the probability that one of the marbles is red and the other is blue?

A bag contains 10 red marbles, 15 yellow marbles, 5 green marbles, and 20 blue marbles-example-1
User Dragan Bozanovic
by
8.4k points

2 Answers

3 votes

Answer:

The answer on ED is C

Explanation:

User Mayu
by
8.1k points
1 vote
we are dealing with combinations here not permuatations because the order of picking does not matter.
so its the produce of 1 from 10 red * 1 from 20 blue, divided by 2 combinations FROM 50

Choice 3 is the correct one.
User Ptica
by
8.2k points
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