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 thes re well modeled by a Normal distribution. ) About what percent of students scored over 30? -) About what percent of students scored under 17? =) 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 23.1 % percent of students scored under 17. (Round to one decimal place as needed.) c) About% percent of students scored between 17 and 30. (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 thes re well modeled by a Normal distribution. ) About what percent of students scored over 30? -) About what percent of students scored under 17? =) 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 23.1 % percent of students scored under 17. (Round to one decimal place as needed.) c) About% percent of students scored between 17 and 30. (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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