You are given the probability that an event will happen.Find the probability that the event will not happen. $P ( E ) =$ $\frac { 17 } { 20 }$
A) $\frac { 20 } { 17 }$
B) $\frac { 3 } { 20 }$
C) $\frac { 17 } { 20 }$
D) $\frac { 1 } { 100 }$
E) $\frac { 20 } { 3 }$

Question

You are given the probability that an event will happen.Find the probability that the event will not happen.   $P ( E ) =$ $\frac { 17 } { 20 }$  
A) $\frac { 20 } { 17 }$
B) $\frac { 3 } { 20 }$
C) $\frac { 17 } { 20 }$
D) $\frac { 1 } { 100 }$
E) $\frac { 20 } { 3 }$

Quizplus · Accepted Answer

The probability that an event will not happen is 1 minus the probability that the event will happen. So, $1 - \frac{17}{20} = \frac{3}{20}$.

You Are Given the Probability That an Event Will Happen P(E)=P ( E ) =P(E)=

You Are Given the Probability That an Event Will Happen $P ( E ) =$