Answers

  • Brainly User
2016-02-29T16:00:20+08:00
Let n be the perfect score (or the total observation):
P₇₅ = 15

P₇₅ = (75/100) (n)    or   P₇₅ = (3/4) (n)

15 = (3/4)n
15 (4/3) = (3/4) (4/3) (n)
n = 60/3
n = 20

If 15 is the 75th percentile,  and 75% is the passing score, it means that those who get scores of 15 to 20 pass the exams.




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