Quiz_6_Sol

Quiz_6_Sol - Quiz6 Name:_ October16,2009

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Quiz 6 Name: _______________________________ October 16, 2009 In your junk drawer you have 24 uniquely identifiable pens collected from various places.  2 of  them write red, 10 of them write blue, and 12 of them write black.  You reach into your drawer  and randomly select three pens (without replacement).   a. How many ways can you grab 3 pens? b. Find the probability you grab all blue pens   or 10/24*9/23*8/22 c. Find the probability you grab one of each color   or 2/24*10/23*12/22*3!
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. Type equation here Quiz 6 Name: _______________________________ October 16, 2009 In your junk drawer you have 24 uniquely identifiable pens collected from various places.  6 of  them write red, 8 of them write blue, and 10 of them write black.  You reach into your drawer  and randomly select three pens (without replacement).   a. How many ways can you grab 3 pens? b.
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Quiz_6_Sol - Quiz6 Name:_ October16,2009

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