Question

If you have 6 black socks, 4 blue socks, 8 brown socks, and 2 red socks in your sock drawer, what is the minimum number of socks that you need to pull out in the dark to be sure you had a matching pair? 

Answer 1

5 is the minimum number of socks..........

Answer 2

The minimum number of socks would be the arithmetic mean of all the socks.
Formula= (sigma)Fi/(sigma)Xi
=6+4+8+2/4
=20/4
=5
The minimum number of socks would be=5