21-26 are correlated questions nety people, how many ways can ten digital music

Question

21-26 are correlated questions

nety people, how many ways can ten digital music players be given away? factoral 2 In a crowd of ni counting principle permutation combination 22. A computer randomly generates a fou r letter password. How many passwords are possible if letters may repeat? counting principle permutation combination factorial 23. In a sweepstakes with ninety entries, the selected winners each receive one of ten big screen televisions. How many possible outcomes are there? counting principle combination factorial permutation (more)

Explanation / Answer

1) This problem can be solved with combination and the solution is 90C10 = (90!)/[(10!)*(90-10)!] = (90!)/[(10!)*(80!)].

2) This problem can be solved with counting principle and the solution is 44 = 256.

3) This problem can be solved with combination and the solution is = 90C10 = (90!)/[(10!)*(90-10)!] = (90!)/[(10!)*(80!)].

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