Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN: 9780470458365
Author: Erwin Kreyszig
Publisher: Wiley, John & Sons, Incorporated
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course are normally distributed with a mean of 67
and a standard deviation of 6. Based on the above
information and a Z-table, fill in the blanks in the
6,
table below.
Precision and other notes: (1) Percentiles should
be recorded in percentage form to three decimal
places.
(2) Note that this problem does not use the rough
values of the 68-95-99.7 rule (that is, the empirical
rule); instead you must use more precise Z-
table values for percentiles.
Exam score
Z-score
Percentile
61
55
74.86
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Transcribed Image Text:course are normally distributed with a mean of 67 and a standard deviation of 6. Based on the above information and a Z-table, fill in the blanks in the 6, table below. Precision and other notes: (1) Percentiles should be recorded in percentage form to three decimal places. (2) Note that this problem does not use the rough values of the 68-95-99.7 rule (that is, the empirical rule); instead you must use more precise Z- table values for percentiles. Exam score Z-score Percentile 61 55 74.86
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