RS Aggarwal - Mathematics

Book: RS Aggarwal - Mathematics

Chapter: 24. Probability

Subject: Maths - Class 8th

Q. No. 4 of Exercise 24A

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4

A bag contains 4 white and 5 blue balls. They are mixed thoroughly and one ball is drawn at random. What is the probability of getting (i) a white ball? (ii) a blue ball?

(i) Total number of balls bag containing is: 4 white + 5 blue = 9 balls


Number of white balls = 4.


Probability P() =


Probability of getting a white ball P(W) = =


(ii) Total number of balls bag containing is: 4 white + 5 blue = 9 balls


Number of blue balls = 5.


Probability P() =


Probability of getting a blue ball P(B) = =


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