There were approximately 42 million unemployed workers in the United States.The circle graph shows the age profile of these unemployed workers.What is the probability that a person selected at random from the population of unemployed workers is 45 or older? ( $a = 42 \%$ and $b = 39 \%$ )
A) $\frac { 1 } { 100 }$
B) $\frac { 21 } { 50 }$
C) $\frac { 1 } { 42 }$
D) $\frac { 50 } { 21 }$
E)42

Question

There were approximately 42 million unemployed workers in the United States.The circle graph shows the age profile of these unemployed workers.What is the probability that a person selected at random from the population of unemployed workers is 45 or older? ( $a = 42 \%$ and $b = 39 \%$ )​  ​
A) $\frac { 1 } { 100 }$ 
B) $\frac { 21 } { 50 }$ 
C) $\frac { 1 } { 42 }$ 
D) $\frac { 50 } { 21 }$ 
E)42

Quizplus · Accepted Answer

According to the circle graph, the 45 and older age group makes up approximately 28% of the unemployed workers. Therefore, the probability of selecting a person at random from the population of unemployed workers who is 45 or older is approximately 28%. Choice B is the closest option to this value (28.1%).

There Were Approximately 42 Million Unemployed Workers in the United a=42%a = 42 \%a=42%

There Were Approximately 42 Million Unemployed Workers in the United $a = 42 \%$