Question

A bag contains 'X' whiie, 'Y' red and Z blue balls. A ball is drawn at random, then
what is the probability of drawing a blue ball.​

Answer 1

Answer:

the probablity is Z/X+Y+Z

Answer 2

Answer:

x white balls

y red balls

z blue balls

so, the probability of choosing blue ball is z/x+y+z