Question

 Write the probability of an event which is impossible.

Answer 1

The probability of an impossible event is ‘0’

i.e. P(S) = 0 

Proof: Since E has no element, n(E) = 0 

From definition of probability: 

`P(S) = (n(E))/(n(S)) = 0/(n(S))` 

P(S) = 0