Final exam scores in a mathematics course are normally distributed with a mean of 72 and a standard deviation of 15. Based on the above information and a Z-table, fill in the blanks in the 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 87 102 2.28
Final exam scores in a mathematics course are normally distributed with a mean of 72 and a standard deviation of 15. Based on the above information and a Z-table, fill in the blanks in the 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 87 102 2.28
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 22SGR
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![Final exam scores in a mathematics course are normally distributed with a mean of 72 and a standard deviation of 15. Based on the above
information and a Z-table, fill in the blanks in the 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
87
102
2.28](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd0efcaf2-5ffc-46ac-841b-169257dd0469%2Ff23795a1-0b18-4aa2-af57-06c15a7ca88f%2Fpow5kc_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Final exam scores in a mathematics course are normally distributed with a mean of 72 and a standard deviation of 15. Based on the above
information and a Z-table, fill in the blanks in the 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
87
102
2.28
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