(e) Determine the z-score of the second lowest and the second highest grades among the population. (f) What should be the minimum grade of the student in order for him/her to have a grade: (f.1) higher than 40% of the student population? (f.2) higher than 75% of the student population? (f.3) higher than 90% of the student population? Consider the frequency distribution from (b) for the calculations.
(e) Determine the z-score of the second lowest and the second highest grades among the population. (f) What should be the minimum grade of the student in order for him/her to have a grade: (f.1) higher than 40% of the student population? (f.2) higher than 75% of the student population? (f.3) higher than 90% of the student population? Consider the frequency distribution from (b) for the calculations.
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 6E: List the sample space of each experiment. Tossing three coins
Related questions
Question
Transcribed Image Text:(e) Determine the z-score of the second
lowest and the second highest grades
among the population.
(f) What should be the minimum grade of
the student in order for him/her to have a
grade:
(f.1) higher than 40% of the student
population?
(f.2) higher than 75% of the student
population?
(f.3) higher than 90% of the student
population?
Consider the frequency distribution from (b)
for the calculations.
Transcribed Image Text:The following scores represent the final
examination grades for an elementary
statistics course (treated as population):
23
60
79
32
57
74
52
70
82
36
80
77
81
95
41
65
92
85
55
76
52
10
64
75
78
25
80
98
81
67
41
71
83
54
64
72
88
62
74
43
60
78
89
76
84
48
84
90
15
79
34
67
17
82
69
74
63
80
85
61
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