Question

bag is filled with 90 soft ball out of which 25 are blue 20 are red 30 are green and 15 are yellow than what is probability of choosing. A. red ball. B. a blue or a yellow ball

Answer 1

A.red ball =20
total balls=90
probability = number of trial/no of total outcomes
probability =20/90 = 2/9
B. Blue ball=25
total balls =90
similarly,probability =25/90=5/18
OR
Yellow ball=15
total balls =90
Probability =15/90=1/6



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