The national average for mathematics on a standardized test in 2011 was 518. Suppose that the distribution of scores was approximately bell-shaped and that the standard deviation was approximately 49. Round your answers to at least one decimal place as needed. Within what boundaries would you expect 99.7% of the scores to fall? About 99.7% of the scores should fall between?
The national average for mathematics on a standardized test in 2011 was 518. Suppose that the distribution of scores was approximately bell-shaped and that the standard deviation was approximately 49. Round your answers to at least one decimal place as needed. Within what boundaries would you expect 99.7% of the scores to fall? About 99.7% of the scores should fall between?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 22PFA
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The national average for mathematics on a standardized test in 2011 was 518. Suppose that the distribution of scores was approximately bell-shaped and that the standard deviation was approximately 49. Round your answers to at least one decimal place as needed. Within what boundaries would you expect 99.7% of the scores to fall?
About 99.7% of the scores should fall between?
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What percentage of scores would be above 567?
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