Probability of drawinga blue ball = Z/x + y + Z
Given :- A bag contains x white, y red and z blue balls. A ball is drawn at the random.
To Find :- the probability of drawing a blue ball.
Solution : [tex] \pmb{ \sf{↴}}[/tex]
Number of blue balls = Z
Total balls = x + y + Z
•°• P(a blue ball) = [tex] \pmb{ \sf{\frac{z}{x + y + z} }}[/tex]
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