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Unformatted text preview: is the probability that each student gets at least one jellybean? What is the probability that each student gets at least two? 5.6 A bin at Blockbuster contains 100 DVDs of which 20 are defective. You randomly select 10 and try them out at home. You discover that there 2 defective DVDs in the 10 that you selected. The store now allows you to select 2 replacements from the same bin (which now only has 90 DVDs in it, since you already removed 10). What is the probability that none of 10 DVDs you nally end up with are defective? What is the answer to this question if you nd k defectives in your initial choice? 1...
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This note was uploaded on 02/02/2012 for the course CSE 21 taught by Professor Graham during the Fall '07 term at UCSD.
 Fall '07
 Graham

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