II. Identify the mean, variance, and standard deviation of the following tables then compute for the percentage of what is being asked. REMINDER! Round up only your final answers and Z- scores. Note: Z- scores are rounded up to 2 decimal places. 4. These are the grades of randomly selected graduating students. 61-65 2 66-70 3 71-75 11 76-80 12 81-85 18 86-90 27 91-95 16 96-100 11 a. What is the probability of a randomly selected student have a grade of at least 84 percent? b. What is the probability that a randomly selected student's grade is between 90 and 100 percent?
II. Identify the mean, variance, and standard deviation of the following tables then compute for the percentage of what is being asked. REMINDER! Round up only your final answers and Z- scores. Note: Z- scores are rounded up to 2 decimal places. 4. These are the grades of randomly selected graduating students. 61-65 2 66-70 3 71-75 11 76-80 12 81-85 18 86-90 27 91-95 16 96-100 11 a. What is the probability of a randomly selected student have a grade of at least 84 percent? b. What is the probability that a randomly selected student's grade is between 90 and 100 percent?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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