A set of exam scores are approximately normally distributed with mean = 68 and standard deviation = 6. Use the Empirical Rule to determine the area of the shaded regions shown below. 1. 2. 3. 50 50 50 56 56 56 62 62 62 68 Exam Scores 68 Exam Scores 68 Exam Scores 74 74 74 80 80 80 86 86 86 34 % % ✓%

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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A set of exam scores are approximately normally distributed with mean = 68 and standard deviation = 6.
Use the Empirical Rule to determine the area of the shaded regions shown below.
1.
2.
3.
50
50
50
56
56
56
62
62
62
68
Exam Scores
68
Exam Scores
68
Exam Scores
74
74
74
80
80
80
86
Q
86
86
34
%
%
%
Transcribed Image Text:A set of exam scores are approximately normally distributed with mean = 68 and standard deviation = 6. Use the Empirical Rule to determine the area of the shaded regions shown below. 1. 2. 3. 50 50 50 56 56 56 62 62 62 68 Exam Scores 68 Exam Scores 68 Exam Scores 74 74 74 80 80 80 86 Q 86 86 34 % % %
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