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A Ball is Drawn at Random from a Box Containing 12 White, 16 Red and 20 Green Balls. Determine the Probability that the Ball Drawn Is: Red - Mathematics

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Question

A ball is drawn at random from a box containing 12 white, 16 red and 20 green balls. Determine the probability that the ball drawn is: 

red 

Solution

Total number of balls in the box=48 

Total possible outcomes on drawinng a ball =48 

n(s)=48 

Event of drawing a red ball=E=16 

n(E)=16 

Probability of drawing a  red  ball = `(n(E))/(n(s))=16/48=1/3`

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APPEARS IN

 Selina Solution for Concise Mathematics for Class 10 ICSE (2020 (Latest))
Chapter 25: Probability
Exercise 25(B) | Q: 11.2 | Page no. 393
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Solution A Ball is Drawn at Random from a Box Containing 12 White, 16 Red and 20 Green Balls. Determine the Probability that the Ball Drawn Is: Red Concept: Type of Event - Complementry.
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