Question

1.
If P(E) = 0.36, then find
find P(E)​

Answer 1

Answer:

0.63

Step-by-step explanation:

P(not E) = 0.63 =

Step-by-step explanation:

For any event E,

P(E) + P(not E)

Here, P(E) = 0.37, P(E) + P(not E)=1

= 0.37 + P(not E) = 1

P(not E) =1- 0.37

= 0.63

Therefore,

P(not E) = 0.63

Answer 2

The correct question here should be:

If P(E) = 0.36, then find P(E')​.

Concept:

The sum of probability of an event and its complement is always equal to 1.

Given:

P(E) = 0.36

That is, Probability of an event is 0.36.

To find:

P(E').

That is the complement of probability of event E.

Solution:

We know that,

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

Given that,

P(E) = 0.36

So,

P (E') = 1- 0.36

= 0.64

Therefore, P (E') =  0.64

Hence, this is the required answer.

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