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WAEC Mathematics 2013 Paper

Question : 19

Total: 48

Solution:

Concept:

The probability of any event must lie between

0

and

1

, inclusive.

Explanation:

A valid probability satisfies

0 \le P(E) \le 1

Options A, B, and C are

0.15

0.57

, and

0.94

, which all lie within this range.

Option D is

1.01

, which is greater than

1

Therefore,

1.01

cannot be a probability.

Answer:

1.01

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