Question

A bag contains 2 yellow 3 green and 2 blue balls two balls are drawn at random probablity that none are blue

Answer 1

Heya..

Here is your answer...

Probability of selecting 2 balls such that none of them is blue.

Here are total 7 balls.

5 balls are not blue.

select 2 balls from those 5 balls (these are the favourable cases)

select 2 balls from those 7 balls (these are total cases)

P = 5c2/7c2

P= 10/21

It may help you...☺☺