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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 Or White - 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 or white

#### Solution

Total number of balls in the box=48

Total possible outcomes on drawing g ball=48

n(s)=48

red or a white ball =12+16=28 balls

Event of drrawing a red or white ball=E=28

n(E)=28

Probability of not drawing a green ball= (n(E))/(n(s))=28/488=7/12

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#### APPEARS IN

Selina Solution for Concise Mathematics for Class 10 ICSE (2020 (Latest))
Chapter 25: Probability
Exercise 25(B) | Q: 11.4 | 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 Or White Concept: Type of Event - Complementry.
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