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Data Handling Probability | Data Handling Probability Exercise 26.1

Question 9

A bag contains 6 red, 8 black and 4 white balls. A ball is drawn at random.What is the probability that ball drawn is not black?

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Total numbers of red balls = 6 Number of black balls = 8 Number of white balls = 4

Total number of non-red balls = 6 + 8 + 4 = 18 Number of non-black balls are = 6 + 4 = 10

Probability of getting a non-black ball is = Total number of non-black balls/Total number of balls

= 10/18

= 5/9

∴ Probability of getting a non-black ball is 5/9

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subject-cta

Question 9

A bag contains 6 red, 8 black and 4 white balls. A ball is drawn at random.What is the probability that ball drawn is not black?

Looking to do well in your science exam ? Learn from an expert tutor. Book a free class!

Total numbers of red balls = 6 Number of black balls = 8 Number of white balls = 4

Total number of non-red balls = 6 + 8 + 4 = 18 Number of non-black balls are = 6 + 4 = 10

Probability of getting a non-black ball is = Total number of non-black balls/Total number of balls

= 10/18

= 5/9

∴ Probability of getting a non-black ball is 5/9

Our top 5% students will be awarded a special scholarship to Lido.

subject-cta
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