In September 2024
Answer to Question #314845 in Statistics and Probability for Ren
The average hour spent in computer by 20 senior high school students during online class is 7 hours with a standard deviation of 2 hours. Construct a 98% confidence interval of the average hour spent by all senior high school students. Identify the width of the interval.
"\\mu=7 \\plusmn z_{alpha\/2}\\frac{\\sigma}{\\sqrt{n}}=7 \\plusmn 2.33 \\frac{2}{\\sqrt{20}}=7 \\plusmn 1.04"
width of interval is 1.04x2=2.08
-
![Help me with my assignment!]()
Who Can Help Me with My Assignment
There are three certainties in this world: Death, Taxes and Homework Assignments. No matter where you study, and no matter…
-
![How to finish assignment]()
How to Finish Assignments When You Can’t
Crunch time is coming, deadlines need to be met, essays need to be submitted, and tests should be studied for.…
-
![Math Exams Study]()
How to Effectively Study for a Math Test
Numbers and figures are an essential part of our world, necessary for almost everything we do every day. As important…
#339914 on Dec 2023
Comments
Leave a comment