Teacher Rowelin wants to estimate the average time of her students spend in TikTok and wants to calculate it using 99% level of confidence. She wants to know it immediately because of her curiosity since she have observed that most of them are procrastinating. So, she randomly selected twenty-five students to interview and to represent all of her students that she handles. During the process, she established that the randomly selected students spend an average of 6hrs a day using TikTok with standard deviation of 2hrs. Find the length of the confidence interval.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question
DIRECTION: Answer the worded-
problem below regarding confidence
of interval and make sure to show your
complete solutions. Write your
answers on any clean sheet/s of paper.
Strictly no solution, automatically
wrong.
Teacher Rowelin wants to estimate
the average time of her students spend
in TikTok and wants to calculate it
using 99% level of confidence. She
wants to know it immediately because
of her curiosity since she have
observed that most of them are
procrastinating. So, she randomly
selected twenty-five students to
interview and to represent all of her
students that she handles. During the
process, she established that the
randomly selected students spend an
average of 6hrs a day using TikTok
with standard deviation of 2hrs. Find
the length of the confidence interval.
Transcribed Image Text:DIRECTION: Answer the worded- problem below regarding confidence of interval and make sure to show your complete solutions. Write your answers on any clean sheet/s of paper. Strictly no solution, automatically wrong. Teacher Rowelin wants to estimate the average time of her students spend in TikTok and wants to calculate it using 99% level of confidence. She wants to know it immediately because of her curiosity since she have observed that most of them are procrastinating. So, she randomly selected twenty-five students to interview and to represent all of her students that she handles. During the process, she established that the randomly selected students spend an average of 6hrs a day using TikTok with standard deviation of 2hrs. Find the length of the confidence interval.
Expert Solution
steps

Step by step

Solved in 2 steps with 1 images

Blurred answer
Similar questions
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman