Question

A box contains 2 red ,3green and 2 blue balls.Two balls are drawn at random.Find probability that ball drawn is blue

Answer 1

Answer:

2/7

Step-by-step explanation:

Red balls= 2

Green balls= 3

Blue balls= 2

Total no. of balls= 7

Probability=

$\frac{no. \: of \: outcomes}{total \: outcomes}$

Probability that the drawn ball is= 2/7

Hope It Helps

Answer 2

Step-by-step explanation:

GIVEN

• Red Balls = 2
• Green balls = 3
• Blue balls = 2
• Total no. of balls = 2+3+2 = 7

WE KNOW THAT

• P [ E ] = Favourable Outcome / Total Outcome

SOLUTION

• P [ drawing a blue ball ] = 2/7