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Which of the following is not a probability of ... - WAEC Mathematics 2013 Question

Which of the following is not a probability of Mary scoring 85% in a mathematics test?

A
0.15
B
0.57
C
0.94
D
1.01
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Correct Option: D

The probability not scoring 85% is = 1 - pro(scoring 85%)

= 1 - (\frac{85}{100}) = 1 - 0.85

= 0.15

not scoring would be less than 1

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