SOLUTION: Two hundred and seventy students wrote an exam in which 35 students got a higher mark than Paula and eight got the same mark as Pauls, which is 83%. Her percentile rank in the clas

Algebra ->  Percentages: Solvers, Trainers, Word Problems and pie charts -> SOLUTION: Two hundred and seventy students wrote an exam in which 35 students got a higher mark than Paula and eight got the same mark as Pauls, which is 83%. Her percentile rank in the clas      Log On


   

Question 180976: Two hundred and seventy students wrote an exam in which 35 students got a higher mark than Paula and eight got the same mark as Pauls, which is 83%. Her percentile rank in the class is?
a. 85
b. 86
c. 83
d. 84
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
235, 234, 233, 232, 231, 230, 229, 228, are all tied.
Their mean is 231.5
n=Np/100+.5 Where n=numerical rank, N=number of values, p=percentile
231.5=270p/100 + .5
2.7p=231
p=85.556
p=86
.
Ed