Week 6 Discussion

Page 113

Exercise 2

Using R: In how many ways can we choose five people from a group of ten to form a committe

n <- 10
k <- 5

choose(n,k)

## [1] 252

By Hand: \[{10 \choose 5}\] \[{10! / (5!*(10-5)!)}\] \[{10! / (5!*5!)}\] \[{(10*9*8*7*6) / (5*4*3*2)}\] \[{30240 / 120}\] \[{252}\]