In the Instructor's Answer Book for a Mathematics Text, 8 $\frac { e ^ { - \gamma } 8 ^ { 2 } } { 2 ! }$

Multiple Choice

In the instructor's answer book for a mathematics text, 8% of the answers are incorrect. Use the Poisson approximation to express the probability that there are exactly 2
Incorrect answers for a homework set with 50 problems.

A) $\frac { e ^ { - \gamma } 8 ^ { 2 } } { 2 ! }$
B) $\frac { e ^ { - 8 } 2 ^ { 8 } } { 8 ! }$
C) $\frac { e ^ { - 4 } 2 ^ { 4 } } { 4 ! }$
D) $\frac { e ^ { - 4 } 4 ^ { 2 } } { 2 ! }$