Final exam scores in a mathematics course are normally distributed with a mean of 73 and a standard deviation of 7. Based on the above information and a Z-table, fill in the blanks in 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 59 52 -1 99.87
Final exam scores in a mathematics course are normally distributed with a mean of 73 and a standard deviation of 7. Based on the above information and a Z-table, fill in the blanks in 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 59 52 -1 99.87
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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Step 1: Given information:
VIEWStep 2: Find Z-score and percentile for the exam score of 59:
VIEWStep 3: Find Z-score and percentile for the exam score of 52:
VIEWStep 4: Find Exam score and percentile for the Z-score of -1:
VIEWStep 5: Find Exam score and Z-score for percentile for 99.87%:
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