Homework Help is Here – Start Your Trial Now!
Math
Statistics
B. C. Po(1-po) D. (X-Y)-D, E. (X-Y)-D F. (w-1)5 1. G. н.

B. C. Po(1-po) D. (X-Y)-D, E. (X-Y)-D F. (w-1)5 1. G. н.

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%

16

12(al An educational technology specialist is studying the attitudes of teachers about the use of virtual reality in the classroom. She samples 200 teachers and finds that 140 of them believe that virtual reality would have a positive effect. She now comcludes that the proportion of teachers who believe that virtual reality would have a positive effect is greater than 90%. To test the specialist's claim, which of the following null and alternative hypotheses should we use? A. H: p=0.9 vs H :p 0.9 B. H : p> 0.9 us H :p< 0.9 C. H P D. H:p= 0.9 es H : p> 0.9 0.9 vs H :p<0.9 12(b) Type in your choice of the appropriate test statistic for 12a: X- B. A. C.- Po(1-Po) D. (X-Y)-D, E. (X-Y)-D (X-Y)-D, F. ly N n, H. (n-1)5 G. I. K.E E (0, - E,) E, J. 12d At the significance level of o 12(al? 0.05. which of the following critical value you will use for A. Z0.10 1.282 B. z0.05 1.645 C. z0.025 1.960 D. 20.01 - 2.326
Transcribed Image Text:12(al An educational technology specialist is studying the attitudes of teachers about the use of virtual reality in the classroom. She samples 200 teachers and finds that 140 of them believe that virtual reality would have a positive effect. She now comcludes that the proportion of teachers who believe that virtual reality would have a positive effect is greater than 90%. To test the specialist's claim, which of the following null and alternative hypotheses should we use? A. H: p=0.9 vs H :p 0.9 B. H : p> 0.9 us H :p< 0.9 C. H P D. H:p= 0.9 es H : p> 0.9 0.9 vs H :p<0.9 12(b) Type in your choice of the appropriate test statistic for 12a: X- B. A. C.- Po(1-Po) D. (X-Y)-D, E. (X-Y)-D (X-Y)-D, F. ly N n, H. (n-1)5 G. I. K.E E (0, - E,) E, J. 12d At the significance level of o 12(al? 0.05. which of the following critical value you will use for A. Z0.10 1.282 B. z0.05 1.645 C. z0.025 1.960 D. 20.01 - 2.326
Expert Solution
steps

Step by step

Solved in 4 steps with 1 images

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