Question

Asked Feb 10, 2020

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Assume that the box contains 5 balls: 1 red, 1 yellow, and 3 green. Balls are drawn in succession without replacement, and their colors are noted until both a red and a yellow ball have been drawn.

How many outcomes are there in the sample space?

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Step 1

The red ball can be withdrawn in 5 types of withdrawals. [First / second / third / fourth / fifth withdrawal]

When a position of red is fixed then the yellow ball can be withdrawn in 4 ways...

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