A lottery game has balls numbered 1 through 21. What is the probability of selecting an even numbered ball or a 11?
A) $\frac { 10 } { 11 }$
B) $\frac { 11 } { 21 }$
C) $\frac { 3 } { 7 }$
D) $\frac { 10 } { 21 }$

Question

A lottery game has balls numbered 1 through 21. What is the probability of selecting an even numbered ball or a 11? 
A) $\frac { 10 } { 11 }$
B) $\frac { 11 } { 21 }$
C) $\frac { 3 } { 7 }$
D) $\frac { 10 } { 21 }$

Quizplus · Accepted Answer

There are 10 even numbers (2, 4, 6, 8, 10, 12, 14, 16, 18, 20) and 1 number 11. The probability is $\frac{11}{21}$.

A Lottery Game Has Balls Numbered 1 Through 21 1011\frac { 10 } { 11 }1110​

A Lottery Game Has Balls Numbered 1 Through 21 $\frac { 10 } { 11 }$