Test Index

BECE Mathematics 2017 Paper

Question : 34

Total: 40

Solution:

Concept:

Probability of an event is the number of favourable outcomes divided by the total number of possible outcomes.

Explanation:

Total number of match sticks in the box

= 40

Number of spoilt sticks

= 15

Number of sticks that are not spoilt

= 40 - 15 = 25

Probability that a randomly chosen stick is not spoilt is:

P(\text{not spoilt}) = \frac{\text{number of not spoilt sticks}}{\text{total number of sticks}} = \frac{25}{40} = \frac{5}{8}

Answer:

The required probability is

\frac{5}{8}

Correct option: C.

\frac{5}{8}

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