The figure shows the results of a recent survey in which 14 adults were asked to grade U.S.public schools.An adult is selected at random.What is the probability the adult will give the U.S.public schools a C or a D? ( $a = 14 \%$ , $b = 50 \%$ )
A) $\frac { 16 } { 25 }$
B) $\frac { 1 } { 2 }$
C) $\frac { 50 } { 7 }$
D) $\frac { 25 } { 16 }$
E) $\frac { 7 } { 50 }$

Question

The figure shows the results of a recent survey in which 14 adults were asked to grade U.S.public schools.An adult is selected at random.What is the probability the adult will give the U.S.public schools a C or a D? ( $a = 14 \%$ , $b = 50 \%$ )  ​
A) $\frac { 16 } { 25 }$ 
B) $\frac { 1 } { 2 }$ 
C) $\frac { 50 } { 7 }$ 
D) $\frac { 25 } { 16 }$ 
E) $\frac { 7 } { 50 }$

Quizplus · Accepted Answer

The Answer of The figure shows the results of a recent survey in which 14 adults were asked to grade U.S.public schools.An adult is selected at random.What is the probability the adult will give the U.S.public schools a C or a D? ( $a = 14 \%$ , $b = 50 \%$ )  ​
A) $\frac { 16 } { 25 }$ 
B) $\frac { 1 } { 2 }$ 
C) $\frac { 50 } { 7 }$ 
D) $\frac { 25 } { 16 }$ 
E) $\frac { 7 } { 50 }$

The Figure Shows the Results of a Recent Survey in Which