Question

A box contain 3 blue and 4 red balls. What is the probability that the ball taken out randomly will be red?

Answer 1

P(E) = No. of favourable outcomes / total no. of possible outcomes

Here,

Total outcomes= 7 (3 blue balls+4 red balls)

Favourable outcomes = 4 (4 red balls)

P(E) = 4/7

hope this helps..

Answer 2

Hola friend,

Blue balls=3

Red balls=4

Total balls=7

ans:4/7

Hope this helps you...