Answer to Question #305462 in Statistics and Probability for Alak

Question

The score of Entrance Examination takers who took a 600 item exam resemble a

normal distribution with a mean of 220 and a standard deviation of 10. The coordinator

would like to get the lowest 15% of the scores and invite them for a retake examination.

a

What range of scores indicates the inclusion in the retake of the exam? (Answer should

be round off to whole number.)

Answer 1

Cannot find any mistakes. Could you please clarify?