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Popular >

15 choose 3

Solution

15C3

Solution

455

Solution steps

= \frac{n !}{r ! ( n - r ) !}

Plug in

n = 15, r = 3

= \frac{15 !}{3 ! ( 15 - 3 ) !}

\frac{15 !}{3 ! ( 15 - 3 ) !} = 455

= 455

Popular Examples

range of 28,31,31,37 range

28, 31, 31, 37

10 n C r 7

interquartile 12,-25,2,3,21,8,10,14,3,18,21 interquartile range

12, - 25, 2, 3, 21, 8, 10, 14, 3, 18, 21

mode of 21,32,15,59,60,61,64,60,71,80 mode

21, 32, 15, 59, 60, 61, 64, 60, 71, 80

mode of 5,9,3,9,4,5,2,6,10,2 mode

5, 9, 3, 9, 4, 5, 2, 6, 10, 2

Frequently Asked Questions (FAQ)

What is 15 choose 3 ?
The answer to 15 choose 3 is 455