C. Solve the following using the five-step hypothesis testing procedure. 1. A movie and regulations personnel claims that 30% of all movies made are Rated G. If 13 out of the 40 randomly selected movies are Rated G, is the personnel's claim supported? Use 95% confidence level.

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
Lt4C 1 2 3
C. Solve the following using the five-step hypothesis testing procedure.
1. A movie and regulations personnel claims that 30% of all movies made are Rated G. If 13 out of
the 40 randomly selected movies are Rated G, is the personnel's claim supported? Use 95%
confidence level.
2. A television channel claims that 40% of the population who watch TV patronize their TV channel.
After collecting 70 samples, they found that 30 of them watch the said TV channel. Use a =
0.01 to test their claim.
3. A medical technologist claims that 25% of the chain-smokers are teenagers. After making a
survey of 42 chain-smokers, he found that 8 of them are teenagers. Using 95% confidence level,
test whether his claim is supported or not.
4. A college dean reported that 80% of all students majoring in Math are males. If 62 out of the 80
randomly selected college students who major in Math are males, is his claim supported? Use
99% confidence level.
5. A teacher believes that less than 20% of the students like Mathematics. If 13 out of the 60
randomly selected students like Mathematics, is the teacher's claim valid? Use 90% confidence
level.
Transcribed Image Text:C. Solve the following using the five-step hypothesis testing procedure. 1. A movie and regulations personnel claims that 30% of all movies made are Rated G. If 13 out of the 40 randomly selected movies are Rated G, is the personnel's claim supported? Use 95% confidence level. 2. A television channel claims that 40% of the population who watch TV patronize their TV channel. After collecting 70 samples, they found that 30 of them watch the said TV channel. Use a = 0.01 to test their claim. 3. A medical technologist claims that 25% of the chain-smokers are teenagers. After making a survey of 42 chain-smokers, he found that 8 of them are teenagers. Using 95% confidence level, test whether his claim is supported or not. 4. A college dean reported that 80% of all students majoring in Math are males. If 62 out of the 80 randomly selected college students who major in Math are males, is his claim supported? Use 99% confidence level. 5. A teacher believes that less than 20% of the students like Mathematics. If 13 out of the 60 randomly selected students like Mathematics, is the teacher's claim valid? Use 90% confidence level.
Expert Solution
steps

Step by step

Solved in 2 steps

Blurred answer
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