Question

P(E)+P(E) bar=?. Options- a.1 ,b.2 ,c.3 ,d.4. which option is right .

Answer 1

Answer:

Let E be any event and E' be its complement.

We know that P(E') = 1 – P(E)

⇒ P(E) + P(E') = 1

⇒ ans= 1

option a

Answer 2

Given; Probability

To Find; The correct option

Solution; P(E) represents the probability of occurring an event. P(E') represents the probability of not occurring of an event the probability of an event can't be greater than 1

P(E)+P(E')=1

Hence the correct option is a