Question

A bag contains 7 white, 3 red and 5 black balls. These balls are drawn, one after the other without replacement from the bag. Find the probability that none of the ball is red.

Answer 1

Answer:

2÷3

Step-by-step explanation:

n(s)=15

let A be an event of getting the probability that none ball is red

n(A)= 10

p(A)= 10 ÷15=2÷3