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Continuous random variables and the normal distribution — Question 344

Original QCE Vault practice · 1 mark

Q344 · Practice questionTechnology-activeSimple familiar1 mark

QUESTION 344

A student compares their results with three normally distributed class results. The table gives the class mean, standard deviation and student result.
SubjectMeanStandard deviationResultA601278B70880C551576\begin{array}{c|ccc}\text{Subject}&\text{Mean}&\text{Standard deviation}&\text{Result}\\\hline A&60&12&78\\B&70&8&80\\C&55&15&76\end{array}
In which subject is the student at the highest percentile?
(A)
A
(B)
All three are at the same percentile.
(C)
C
(D)
B
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