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Unformatted text preview: 20 / 36 = 16 / 36 . h. Upon inspection in the sample space, there are nine such outcomes out of 36. Answer is 9 / 36 . 3. The number of distinct ordered triplets with replacement = 7 2 52 = 728. 4. On the rst day, there is a choice of 5 pairs, and subsequently, there is a choice of only 4 pairs. Total number is = 5 4 4 4 4 4 = 5 4 5 = 5120. 5. There are 4! = 24 ways in which the four volumes can be put back. Only one of these is correct. P (correct order) = 1 4! = 1 24 . 6. The total number of ways of arranging the word cold is 4! = 24. In considering the total number of ways of arranging the word cool, the letter o is repeated twice, thus 2! arrangements are the same. Thus, total number of ways of arranging the word cool is 4! / 2! = 24 / 2 = 12....
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This note was uploaded on 04/12/2010 for the course EE 131A taught by Professor Lorenzelli during the Spring '08 term at UCLA.
 Spring '08
 LORENZELLI

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