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Data Handling Probability | Data Handling Probability Exercise 26.1

Question 12

A bag contains 3 red balls and 5 black balls. A ball is drawn at random fromthe bag. What is the probability that the ball drawn is:

(i) red

(ii)black

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(i) Red

Total numbers of red balls = 3 Number of black balls = 5

Total number of balls = 3 + 5 = 8

Probability of getting a red ball is = Total number of red balls/Total number of balls

= 3/8

∴ Probability of getting a red ball is 3/8

(ii) Black

Total numbers of red balls = 3 Number of black balls = 5

Total number of balls = 3 + 5 = 8

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

= 5/8

∴ Probability of getting a black ball is 5/8

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Question 12

A bag contains 3 red balls and 5 black balls. A ball is drawn at random fromthe bag. What is the probability that the ball drawn is:

(i) red

(ii)black

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

(i) Red

Total numbers of red balls = 3 Number of black balls = 5

Total number of balls = 3 + 5 = 8

Probability of getting a red ball is = Total number of red balls/Total number of balls

= 3/8

∴ Probability of getting a red ball is 3/8

(ii) Black

Total numbers of red balls = 3 Number of black balls = 5

Total number of balls = 3 + 5 = 8

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

= 5/8

∴ Probability of getting a black ball is 5/8

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

subject-cta
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