scag5e_ppt_10_2

# scag5e_ppt_10_2 - blue taken 3 at a time What is C(4 3 Find...

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Section 10.2 Permutations and Combinations

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OBJECTIVE 1
Three Types of Permutations

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If the FBI assigned four-letter codes to various operations, such as operation ERRT, (notice that repetition of letters is allowed), how many codes are possible?

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Suppose the FBI for their codes decided they did not want any letters repeated in their four letter codes. How many different four letter codes are there without repetition?

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In how many ways can 6 people be lined up?

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Evaluate: (a) P (6,4) (b) P (7, 2) (c) P (40, 4)
If you have a group of four people that each have a different birthday, how many possible ways could this occur?

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OBJECTIVE 2
List all the combinations of the 4 colors, red, green, yellow and

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Unformatted text preview: blue taken 3 at a time. What is C (4, 3)? Find the value of each expression. (a) C (4, 2) (b) C (5, 2) (c) C (n, n) (d) C (n, 0) (e) C (40, 4) How many different committees of 4 people can be formed from a pool of 8 people? How many ways can a committee consisting of 3 boys and 2 girls be formed if there are 7 boys and 10 girls eligible to serve on the committee? OBJECTIVE 3 How many different words (real or imaginary) can be formed using all the letters in the word ALEGBRA? How many different vertical arrangements are there of 10 flags if 5 are white, 4 are blue and 2 are red?...
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## This note was uploaded on 11/07/2011 for the course MAT 151 taught by Professor Tandy during the Summer '10 term at University of Phoenix.

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scag5e_ppt_10_2 - blue taken 3 at a time What is C(4 3 Find...

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