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WAEC Mathematics 2019 Paper

Question : 45

Total: 50

Solution:

Concept:

Probability is the ratio of the number of favourable outcomes to the total number of equally likely outcomes.

Explanation:

Total number of pencils =

5 + 6 + 7 = 18

Number of green pencils =

6

Probability of picking a green pencil is given by:

\text{P(green)} = \frac{\text{Number of green pencils}}{\text{Total number of pencils}}

= \frac{6}{18}

= \frac{1}{3}

Answer:

The probability of picking a green pencil is

\frac{1}{3}

, which is option C.

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