A fan of country music plans to make a custom CD with 10 of her 25favorite songs
ID: 3323574 • Letter: A
Question
A fan of country music plans to make a custom CD with 10 of her 25favorite songs. How many different combinations of 1010 songs are possible? Is it practical to make a different CD for each possible combination? How many different combinations of 1010 songs are possible? nothing Is it practical to make a different CD for each possible combination? A. Yes, it is practical to make a different CD for each possible combination because the number of possible combinations is very small. B. No, it is not practical to make a different CD for each possible combination because the number of possible combinations is very large. C. Yes, it is practical to make a different CD for each possible combination because the number of possible combinations is very large. D. No, it is not practical to make a different CD for each possible combination because the number of possible combinations is very small.
Explanation / Answer
Number of possible combinations of 10 songs
= 25C10
= 25! / (10! * 15!)
= 3268760
No, it is not practical to make a different CD for each possible combination because the number of possible combinations is very large.
Option B is correct.
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