Question

A bag contains 7 white ball ,4red ,3green ball. Find the probability of white ball

Answer 1

${\tt{\underline{Given :-}}}$

White ball = 7

Red ball = 4

Green ball = 3

${\tt{\underline{To\;find :-}}}$

probability of white ball

${\tt{\underline{Answer :-}}}$

=> Probability = Favourable outcomes/Total outcomes

=> Probability = 7/(7 + 4 + 3)

=> Probability = 7/14

=> Probability = 1/2