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`

Answer 1

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.