The average score of the class is 17.33 and a standard deviation is 4.55. Assume the average letter grade of the class is C and the class grade follows a normal distribution. That is, 68% of students should get C, 13.5 % of the class get B, 2 % of the class get A, and 0.5% of the class get A+. If your score is 27, which grade should you get? Assume Z stat for the probability occurrence at 99%, 95 % and 90% are 2.75, 2.00, and 1.68 respectively and n-1. Confidence interval the mean + or - O A+ O A
The average score of the class is 17.33 and a standard deviation is 4.55. Assume the average letter grade of the class is C and the class grade follows a normal distribution. That is, 68% of students should get C, 13.5 % of the class get B, 2 % of the class get A, and 0.5% of the class get A+. If your score is 27, which grade should you get? Assume Z stat for the probability occurrence at 99%, 95 % and 90% are 2.75, 2.00, and 1.68 respectively and n-1. Confidence interval the mean + or - O A+ O A
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 22PFA
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