A large group of students took a test in physics and the final grades have a mean of 70 with a standard deviation of 10. If the graph of the scores has normal distribution, what percentile would a...




A large group of students took a test in physics and the final grades have a mean of 70 with a standard deviation of 10. If the graph of the scores has normal distribution, what percentile would a student be in if they earned an A on the test? (A is a score≥90)





















a

98th percentile


b

50th percentile


c

48th percentile


d

2nd percentile




Jun 03, 2022
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