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Sulpcegu5e ppt 13_2
 

Sulpcegu5e ppt 13_2

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    Sulpcegu5e ppt 13_2 Sulpcegu5e ppt 13_2 Presentation Transcript

    • Section 13.2 Permutations and Combinations
    • OBJECTIVE 1
    • Three Types of Permutations
    • 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?
    •  
    • 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?
    •  
    • In how many ways can 6 people be lined up?
    •  
    • 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?
    • OBJECTIVE 2
    • List all the combinations of the 4 colors, red, green, yellow and 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?