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Unformatted text preview: Suppose you flip a coin 3 times in a row. How many different sequences of heads and tails are possible? 2*2*2=8 if you roll two 6 sided dice, how many different outcomes are possible 6*6= 36 Suppose Texas license plates must be 6 characters long and first 3 characters are either letters or digits and last 3 characters must be digits. How many possible license plates. 36*36*36*10*10*10= 46,656,000 how many 5 letter passwords can you make from the letters { a,b,c,d,e,f} if adjacent letters must be different 6*5*5*5*5= 3750 an anagram = a word formed by rearranging the letters in some original word. Ex: how many anagrams of stop Pots, tops, spot, psot, tpso, opts Factorial is a decreasing product of natural numbers down to 1. (ON PAPER) Suppose you deal out a sequence of 5 cards from a deck of 52 cards. How many different 5card choices are there? 52*51*50*49*48= 311,875,200 Two ways to select a subset of items from one large set of DISTINCT numbers: 1. if we care about the order/arrangement of selection then selection is a permutation. 2.2....
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This note was uploaded on 03/05/2011 for the course MATH 305G taught by Professor Cathy during the Spring '11 term at University of Texas at Austin.
 Spring '11
 Cathy
 Math

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