I need a detailed explanation step-by-step please.
One ball is selected from a bag containing x red balls, y blue balls and z yellow balls. What is the probability of selecting a blue ball?
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No. of red balls= x
No. of blue balls= y
No. of yellow balls= z
Therefore, total no. of balls= x+y+z
Therefore, probability of blue ball selection= y/x+y+z.
Hope it helps!
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