Homework Help is Here – Start Your Trial Now!
Math
Statistics
A random sample of 21 colleges was taken. The mean rate of graduation within four years was 78% with a margin of error of 5.1%. The distribution of graduation rates is Normal. a) Based on this, give the confidence interval for the true mean rate of graduation. Give your answers rounded to two decimal places > l > % b) Can we reject a population mean percentage of 85.1% on the basis of these numbers? Explain. O Yes, reject 85.1%. Since 85.1% is in the interval, it is not possible the population graduation rate is 85.1%. O No, do not reject 85.1 %. Since 85.1% is not in the interval, it is possible the population graduation rate is 85.1%. O No, do not reject 85.1%. Since 85.1% is in the interval, it is possible the population graduation rate is 85.1%. O Yes, reject 85.1%. Since 85.1% is not in the interval, it is not possible the population graduation rate is 85.1%.

A random sample of 21 colleges was taken. The mean rate of graduation within four years was 78% with a margin of error of 5.1%. The distribution of graduation rates is Normal. a) Based on this, give the confidence interval for the true mean rate of graduation. Give your answers rounded to two decimal places > l > % b) Can we reject a population mean percentage of 85.1% on the basis of these numbers? Explain. O Yes, reject 85.1%. Since 85.1% is in the interval, it is not possible the population graduation rate is 85.1%. O No, do not reject 85.1 %. Since 85.1% is not in the interval, it is possible the population graduation rate is 85.1%. O No, do not reject 85.1%. Since 85.1% is in the interval, it is possible the population graduation rate is 85.1%. O Yes, reject 85.1%. Since 85.1% is not in the interval, it is not possible the population graduation rate is 85.1%.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
See similar textbooks
icon
Related questions
Question
100%
Quescion 3 A random sample of 21 colleges was taken. The mean rate of graduation within four years was 78% with a margin of error of 5.1%. The distribution of graduation rates is Normal. a) Based on this, give the confidence interval for the true mean rate of graduation. Give your answers rounded to two decimal places % < µ < b) Can we reject a population mean percentage of 85.1% on the basis of these numbers? Explain. O Yes, reject 85.1%. Since 85.1% is in the interval, it is not possible the population graduation rate is 85.1%. O No, do not reject 85.1%. Since 85.1% is not in the interval, it is possible the population graduation rate is 85.1%. O No, do not reject 85.1%. Since 85.1% is in the interval, it is possible the population graduation rate is 85.1%. O Yes, reject 85.1%. Since 85.1% is not in the interval, it is not possible the population graduation rate is 85.1%. Submit Question
Transcribed Image Text:Quescion 3 A random sample of 21 colleges was taken. The mean rate of graduation within four years was 78% with a margin of error of 5.1%. The distribution of graduation rates is Normal. a) Based on this, give the confidence interval for the true mean rate of graduation. Give your answers rounded to two decimal places % < µ < b) Can we reject a population mean percentage of 85.1% on the basis of these numbers? Explain. O Yes, reject 85.1%. Since 85.1% is in the interval, it is not possible the population graduation rate is 85.1%. O No, do not reject 85.1%. Since 85.1% is not in the interval, it is possible the population graduation rate is 85.1%. O No, do not reject 85.1%. Since 85.1% is in the interval, it is possible the population graduation rate is 85.1%. O Yes, reject 85.1%. Since 85.1% is not in the interval, it is not possible the population graduation rate is 85.1%. Submit Question
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps

SEE SOLUTIONCheck out a sample Q&A here
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
SEE MORE TEXTBOOKS