Four brothers took an anthropology course from the same instructor during four different years. The total points of each, along with the class parameters are given below. Use z scores to determine who did the best.
A) Darren 314, $\mu$= 200, $\sigma$ = 100
B) Nathan 517, $\mu$ = 300, $\sigma$= 200
C) Joshua 214 $\mu$ = 150, $\sigma$ = 50
D) Nicholas 114, $\mu$ = 100, $\sigma$= 10.

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The Answer of Four brothers took an anthropology course from the same instructor during four different years. The total points of each, along with the class parameters are given below. Use z scores to determine who did the best.
A) Darren 314, $\mu$= 200, $\sigma$ = 100
B) Nathan 517, $\mu$ = 300, $\sigma$= 200
C) Joshua 214 $\mu$ = 150, $\sigma$ = 50
D) Nicholas 114, $\mu$ = 100, $\sigma$= 10.

Four Brothers Took an Anthropology Course from the Same Instructor μ\muμ

Four Brothers Took an Anthropology Course from the Same Instructor $\mu$