You are given the probability that an event will not happen. Find the probability that the event will happen. $P \left( E ^ { \prime } \right) = \frac { 3 } { 31 }$
A) $\frac { 3 } { 31 }$
B)0
C)1
D) $\frac { 28 } { 31 }$
E) $\frac { 14 } { 31 }$

Question

Quizplus · Accepted Answer

The probability that an event will happen is 1 minus the probability that it will not happen. So, $P(E) = 1 - P(E') = 1 - \frac{3}{31} = \frac{28}{31}$.

You Are Given the Probability That an Event Will Not P(E′)=331P \left( E ^ { \prime } \right) = \frac { 3 } { 31 }P(E′)=313​

You Are Given the Probability That an Event Will Not $P \left( E ^ { \prime } \right) = \frac { 3 } { 31 }$