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You have a jar of marbles. There are 15 red, 20 blue,7 green, and 18 red marbles. You choose one at random then replace it and choose another. What is the probability of both be…

You have a jar of marbles. There are 15 red, 20 blue,7 green, and 18 red marbles. You choose one at random then replace it and choose another. What is the probability of both be…
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3 votes
you have a jar of marbles. There are 15 red, 20 blue,7 green, and 18 red marbles. You choose one at random then replace it and choose another. What is the probability of both being blue?

asked
User Josh Curren
by
8.5k points

2 Answers

1 vote
The probability of blue is 20/60
2 blue would be (20/60)(20/60) which is .1111
answered
User Salman Sarray
by
8.6k points
5 votes
1 out of 3 chance.
20 out of 60 marbles are blue.
20/60 = 1/3
answered
User Beavel
by
8.9k points
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