On a standardized exam, the scores are normally distributed with a mean of 120 and a standard deviation of 10. Find the z- score of a person who scored 115 on the exam.
On a standardized exam, the scores are normally distributed with a mean of 120 and a standard deviation of 10. Find the z- score of a person who scored 115 on the exam.
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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![On a standardized exam, the scores are
normally distributed with a mean of 120
and a standard deviation of 10. Find the z-
score of a person who scored 115 on the
exam.
Answer:
Submit Answer
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Transcribed Image Text:On a standardized exam, the scores are
normally distributed with a mean of 120
and a standard deviation of 10. Find the z-
score of a person who scored 115 on the
exam.
Answer:
Submit Answer
+
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