The Figure Shows the Results of a Recent Survey in Which

Multiple Choice

The figure shows the results of a recent survey in which 1011 adults were asked to grade U.S.public schools.An adult is selected at random.What is the probability that the adult will give the U.S.public schools an A? ( $a = 3 \%$ , $b = 11 \%$ , $c = 19 \%$ ) ​ ​

A) $\frac { 100 } { 3 }$
B) $\frac { 3 } { 100 }$
C) $\frac { 1 } { 3 }$
D) $\frac { 3 } { 50 }$
E) 100