Question

A box has 5 red balls , 8 white balls , 4 green balls and 7 black balls of the same size and

shape .Find out the probability that a ball is not black if it is randomly selected without

looking through the box. the​

Answer 1

Answer:

= 7/24 is the probability of black ball

Step-by-step explanation:

HOPE IT HELP YOU

Answer 2

Answer:

Total number of balls in the bag =5+4+7=16

∴ Total number of elementary events = 16

There are 4 balls that are neither red nor white

∴ Favourable number of elementary events =4

Hence, P (Getting neither red nor white ball) = 4/16=1/4