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Test scores are normally distributed with a mean of 500. Convert the given score to a z-score, using the given standard deviation. Then find the percentage of students who score below 680, if the standard deviation is 120. Click the icon to view a table of z-scores and percentiles. A. 93.32% B. 56.68% OC. 6.68% D. 120% www.

Test scores are normally distributed with a mean of 500. Convert the given score to a z-score, using the given standard deviation. Then find the percentage of students who score below 680, if the standard deviation is 120. Click the icon to view a table of z-scores and percentiles. A. 93.32% B. 56.68% OC. 6.68% D. 120% www.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Test scores are normally distributed with a mean of 500. Convert the given score to a z-score, using the given standard deviation. Then find the percentage of students who score below 680, if the standard deviation is 120. Click the icon to view a table of z-scores and percentiles. A. 93.32% B. 56.68% OC. 6.68% D. 120% www.
Transcribed Image Text:Test scores are normally distributed with a mean of 500. Convert the given score to a z-score, using the given standard deviation. Then find the percentage of students who score below 680, if the standard deviation is 120. Click the icon to view a table of z-scores and percentiles. A. 93.32% B. 56.68% OC. 6.68% D. 120% www.
Table of z-Scores and Percentiles z-Scores and Percentiles -Score Percentile z-Score Percentile z-Score Percentile z-Score Percentile 0.003 15.87 50.00 86.43 1711 18.41 19.77 -3.0 -2.7 -2.2 0.13 0.19 0.35 1.07 -0.95 -0.90 -0.85 -0.80 -0.70 -0.65 -0.60 -0.55 -0.50 22.66 24.20 25.78 2743 29.12 30.85 32.64 34 46 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.50 0.55 51.99 53.98 55.96 5793 59.87 61.79 63.68 65.54 67.36 69.15 70.88 90.32 91.92 93.32 95.54 98.21
Transcribed Image Text:Table of z-Scores and Percentiles z-Scores and Percentiles -Score Percentile z-Score Percentile z-Score Percentile z-Score Percentile 0.003 15.87 50.00 86.43 1711 18.41 19.77 -3.0 -2.7 -2.2 0.13 0.19 0.35 1.07 -0.95 -0.90 -0.85 -0.80 -0.70 -0.65 -0.60 -0.55 -0.50 22.66 24.20 25.78 2743 29.12 30.85 32.64 34 46 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.50 0.55 51.99 53.98 55.96 5793 59.87 61.79 63.68 65.54 67.36 69.15 70.88 90.32 91.92 93.32 95.54 98.21
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