6. A sample size of n 11, X 40.1 with sample standard deviation o 1.6 at 99% confidence level 7. A sample size of n 121, X=825 with sample standard deviation o=116 at 98% confidence levd 8. A sample size of n 20, X= 101 with sample standard deviation o=26 at 98% confidence Jeval ifben dignl C. Solve each given problem below Show vour solution ond state the interpretation for vour ane. %3D ob of in
6. A sample size of n 11, X 40.1 with sample standard deviation o 1.6 at 99% confidence level 7. A sample size of n 121, X=825 with sample standard deviation o=116 at 98% confidence levd 8. A sample size of n 20, X= 101 with sample standard deviation o=26 at 98% confidence Jeval ifben dignl C. Solve each given problem below Show vour solution ond state the interpretation for vour ane. %3D ob of in
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
6b 6 7 8
Transcribed Image Text:6. A sample size of n 11, X= 40.1 with sample standard deviation o 1.6 at 99% confidence level
7. A sample size of n 121, X 825 with sample standard deviation o=116 at 98% confidence leved
8. A sample size of n 20, X 101 with sample standard deviation o=26 at 98% confidence leval
%3D
ob of n
C. Solve each given problem below. Show your solution and state the interpretation for your answer.
babnr
RS
ere obtained from a random sample of 15
1. A mean of 115.4 and a standard deviation 10.8
observations, which is believed to be normally distributed. Find the confidence interval for
the population mean p using the given confidence level.
A. 90%
d sanmbiteo
В. 95%
C. 99%
2. The following data are selected randomly from the population of normally distributed values.
23 28
32 36
29
31
19 22
33
38
41
29
22
37
31 39
Construct a 95% confidence interval to estimate the population mean.
3. A popular restaurant takes a random sample of 25 customers and records how long each
customer occupied a table. They found a sample mean of 1.2 hours and a sample standard
deviation of 0.3 hour. Construct a 95% confidence interval estimate of the mean of the
population.
4. The mean prize of 25 computer desktop for gaming online is 55,450
deviation of 3,576 pesos. Find the 99% confidence interval of the true mean price of computer
desktop.
pesos
with a standard
5. The average profit earned by an online seller per day with 100 followers is 3,865
with
a standard deviation of 890 pesos. Find the 95% confidence interval of the true mean pront
pesos
earn per day.
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