4.180 0302 C 462 d510 14. Shirley has seven CDs on his desk. In how many ways can he select three CDs? a. 35 b. 45 c. 55 d. 65 15. Four out of seven students are needed to hand out programs at the drama club performance. In how many ways can the four students be chosen? a. 24 b. 27 c. 32 d. 35 ASSIMILATION: JOURNAL/REFLECTION I understand that I have learned inal ati
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This is a combination problem because the order in which he selects the CDs does not matter. The formula for combinations is nCr = n! / (r!(n-r)!), where n is the total number of items and r is the number of items being selected. In this case, n = 7 (the total Show more…
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