question archive Example 1:  Consider another example where a pack contains 4 blue, 2 red and 3 black pens

Example 1:  Consider another example where a pack contains 4 blue, 2 red and 3 black pens

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Example 1: 

Consider another example where a pack contains 4 blue, 2 red and 3 black pens. If a pen is drawn at random from the pack, replaced and the process repeated 2 more times, What is the probability of drawing 2 blue pens and 1 black pen?

Example 2: 

What is the probability of drawing a king and a queen consecutively from a deck of 52 cards, without replacement.

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