The probability of certainty is 100%=1
If Probability(p)=0.34
then
Probability (p) +cProbability (!p) = 1 where !p is used to denote "not "p
0.34+Probability(!p)=1
Probability(!p)=1−0.34=0.66
The probability that the event will not happen is 0.66.
The probability of an event can be defined as the chance of happening that particular event.
The probability that the event will happen is P(E) = 0.34.
Therefore, the probability that the event will not happen is
= 1 - P(E)
= 1 - 0.34
= 0.66
Learn more about the probability of an event here: https://brainly.com/question/14800604
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