# If the probability that an event will happen is 0.31, what is the probability of the event's complement?

##### 1 Answer

Feb 17, 2018

#### Answer:

#### Explanation:

the complement is the probability that an event will not happen.

since the total probability is

the probability of the complement can be found by subtracting the probability of the event from

P(event) + P(complement)

the probability of the complement is