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Question
Which of the following can not be the probability of an event?
(i)`2/7`
(ii)3.8
(iii) 37%
(iv) -0.8
(v) 0.8
(vi) `(-2)/5`
(vii) `7/8`
Solution
The probability of an event cannot be
(ii) 3.8 i.e. the probability of an event cannot exceed 1.
(iv) i.e. -0.8 and
(vi) -2/5, This is because the probability of an event can never be less than 1.
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