Question

There are 2 red, 3 blue and 5 black balls in a bag. A ball is drawn from the bag without looking inthe bag. What is the prpbility of getting a red ball?​

Answer 1

Answer:

No of red balls are 2.

The probability of getting a red ball is=no of favorable outcomes/total outcomes.

Here,...

Total out comes are=2+3+5=10

So,...

Probability of getting a red ball is = 2/10=1/5...

....

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Answer 2

Given - Number of different balls

Find - Probability of getting red ball

Solution - Probability of getting red ball = number of red balls / total number of balls.

Number of red balls = 2

Total number of balls = 2 + 3 + 5

Performing addition

Total number of balls = 10

Keep the values in formula to find the probability of getting red ball.

Probability of getting red ball = $\frac{2}{10}$

Performing division

Probability of getting red ball = $\frac{1}{5}$

Hence, the probability of getting a red ball is 1/5.