The mean length of time, per week, that students at a certain school spend on their homework is 24.3 hours, with a standard deviation of 1.2 hours. Assuming the distribution of study times is normal, what percent of students spend more than 25.5 hours per week on homework? The answer 16% of the students spend more than 25.5 hours per week.
The mean length of time, per week, that students at a certain school spend on their homework is 24.3 hours, with a standard deviation of 1.2 hours. Assuming the distribution of study times is normal, what percent of students spend more than 25.5 hours per week on homework? The answer 16% of the students spend more than 25.5 hours per week.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 3GP
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The mean length of time, per week, that students at a certain school spend on their homework is 24.3
hours, with a standard deviation of 1.2 hours. Assuming the distribution of study times is normal,
what percent of students spend more than 25.5 hours per week on homework?
The answer 16% of the students spend more than 25.5 hours per week.
Please can you help explain step by step how 16% was obtained? Thank you
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