A Question.

[abdullahaftab]

Can anyone answer this?
Two people are selected at random, from the group of 10 people in which 60% have blue eyes. The probability that none of them will have blue eyes is ?

 

[chishtyguy]

is the probabilty 2/15 ??

 

[Awesome12]

Can anyone answer this?
Two people are selected at random, from the group of 10 people in which 60% have blue eyes. The probability that none of them will have blue eyes is ?

There are 10 people
60 % of them have blue eyes (ie. 6 people)

6 Blue Eyes
4 "other colour" eyes

2 people selected at random

probability that both of them do not have blue eyes is

(4/10) * (3/9)
= 12/90
=2/15