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Answer to Question #44748 in Statistics and Probability for Vincent Lee

Question #44748
The table below shows the distribution of scores in a Statistics test given to a class of 40 students. The teacher decided to pass the upper 40% of these students

Class Limits f

91-97 2
84-90 3
77-83 7
70-76 15
63-69 6
56-62 4
49-55 3


1. What is the passing score?
2. What is the percentile rank of the student hwhose score is 80?
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