You are given the probability that an event will not happen.Find the probability that the event will happen. $P \left( E ^ { \prime } \right) = 0.75$
A)0.4
B)0.25
C)0.35
D)0.3
E)0.45

Question

You are given the probability that an event will not happen.Find the probability that the event will happen.   $P \left( E ^ { \prime } \right) = 0.75$  
A)0.4
B)0.25
C)0.35
D)0.3
E)0.45

Quizplus · Accepted Answer

The probability that an event will happen is 1 minus the probability that it will not happen. So, if $P(E') = 0.75$, then $P(E) = 1 - 0.75 = 0.25$.

You Are Given the Probability That an Event Will Not P(E′)=0.75P \left( E ^ { \prime } \right) = 0.75P(E′)=0.75

You Are Given the Probability That an Event Will Not $P \left( E ^ { \prime } \right) = 0.75$