Which of the following cannot be the probability of an event?

Question:

Which of the following cannot be the probability of an event?

(a) $\frac{2}{3}$

(b) $-1.5$

(c) $15 \%$

(d) $0.7$

 

Solution:

GIVEN: 4 options of probability of some events

TO FIND: Which of the given options cannot be the probability of an event?

We know that

.

As the probability of an event cannot be negative

In option (bP=-1.5

Hence the correct answer is option 

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