2. The average test score in a certain statistics class was 74 with a standard deviation of 8. There are 2000 students in this class. (a) What percentage of students scores less than 58? (b) What is the probability that a student scored between 66 and 82 on the exam? (c) How many students scored at most 90? (d) What percentage of students scored at least 66? (e) How many students scored more than 98 on the test? '
2. The average test score in a certain statistics class was 74 with a standard deviation of 8. There are 2000 students in this class. (a) What percentage of students scores less than 58? (b) What is the probability that a student scored between 66 and 82 on the exam? (c) How many students scored at most 90? (d) What percentage of students scored at least 66? (e) How many students scored more than 98 on the test? '
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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