# A box contains 5 red marbles, 4 green, and 8 blue. Find the probability of pulling two red marbles followed by a green marble if the marbles are pulled from the bag without replacement.

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A box contains 5 red marbles, 4 green, and 8 blue. Find the probability of pulling two red marbles followed by a green marble if the marbles are pulled from the bag without replacement.

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Step 1

There are total 17 marbles in a box as 5 red + 4 green + 8 blue.

Now consider the following values:

A = {first pull a red marble without replacement}

B = {second pull a red marble without replacement}

C = {third pull a green marble without replacement}

Therefore, probability that first marble drawn is red is...

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