The Probability of a red ball to be drawn is 0.45. The bag contains 20 balls, find the total number of balls in the bag?

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The Probability of a red ball to be drawn is 0.45. The bag contains 20 balls, find the total number of balls in the bag?

Safeer PP 11th Jul, 2022

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Safeer PP 11th Jul, 2022

Probability of a red ball to be drawn = 0.45

Total no of balls = 20

Total no of red balls = 20 × 0.45 = 9

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