Question

A bag contains 6 red an blue balls.If the probabilty of drawing a blue ball is twice the red ball. Find the probability

Answer 1

Answer:

Dear friend,

Let number of blue balls = x

Number of red balls = 6

.'. Total number of balls = x + 6

p ( drawing a blue ball ) = x/x+6

p ( drawing a red ball ) = 6/x+6

(x/x+6) = 2( 6/x+6)

= x/x=6 = 12/x+6

= x = 12

Therefore, the number of blue balls are 12.