Question

In a class of 20 pupils, 7 are left handed and 13 are right-handed. Five pupils are selected at random from the class; the order in which they are chosen is not important.
(i) Find the number of possible selections in which 2 of the 5 are left-handed and 3 are right-handed.

Answer 1

7C2 + 13C3

Answer 2

6006 is the answer

Answer 3

thanks! Its timesed though not added