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Unformatted text preview: P(3,2)= 3!/(3-2)! P(3,2)=6 Ex 8 12 programs have been submitted earlier that day for batch processing? (a) There is no restriction? Ans: 12! Ways can be send program for batch processing. (c) ANs P (12, 3) = 12! /9! = 1320 18 Morgan is considering the purchase of a low-end computer system Ans N=7 R=3 P(7,3)=7!/4! P(7,3)= 210 20. Over the internet, data are transmitted in structured blocks of bits called datagrams . a) In how many ways can the letters in DATAGRAM be arranged? 8 letters Duplicates: 3 As 8! / 3! = 6720 b) For the arrangements of part a) , how many have all three As together? Since the As are not distinct, there is one way to arrange AAA. Consider AAA to be one symbol 1 * 6!...
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This document was uploaded on 02/18/2008.
- Spring '08