The Mathematics section of the ACT test had a mean of 20.9 and an SD of 5.3 for the years 2013-2015. Suppose these are well modeled by a Normal distribution. a) About what percent of students scored over 30? b) About what percent of students scored under 17? c) About what percent of students scored between 17 and 30? a) About 4.3% percent of students scored over 30. (Round to one decimal place as needed.) b) About% percent of students scored under 17. (Round to one decimal place as needed.) ...
The Mathematics section of the ACT test had a mean of 20.9 and an SD of 5.3 for the years 2013-2015. Suppose these are well modeled by a Normal distribution. a) About what percent of students scored over 30? b) About what percent of students scored under 17? c) About what percent of students scored between 17 and 30? a) About 4.3% percent of students scored over 30. (Round to one decimal place as needed.) b) About% percent of students scored under 17. (Round to one decimal place as needed.) ...
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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