Based on the z-score and data below, how many percent of students' scores is equal to or lower than 91? 89 86 88 90 90 91 87 89 91 89 87 85 85 85 88 91 95 89 87 87 86 85 85 89 91 86 88 87 83 90 90 86 86 88 89 89 86 94 88 92 92 89 89 90 89 91 90 88 89 88 88 86 88 90 90 91 87 89 91 89 87 85 85 85 88 91 95 89 87 87     a. 35.54%     b. 14.46%     c. 64.46%     d. 85.54%

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 12SGR
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  1. Based on the z-score and data below, how many percent of students' scores is equal to or lower than 91?

    89 86 88 90 90 91 87 89 91 89
    87 85 85 85 88 91 95 89 87 87
    86 85 85 89 91 86 88 87 83 90
    90 86 86 88 89 89 86 94 88 92
    92 89 89 90 89 91 90 88 89 88
    88 86 88 90 90 91 87 89 91 89
    87 85 85 85 88 91 95 89 87 87
       

    a. 35.54%

       

    b. 14.46%

       

    c. 64.46%

       

    d. 85.54%

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