A medical researcher says that less than 79​% of adults in a certain country think that healthy children should be required to be vaccinated. In a random sample of 300 adults in that​ country, 75​% think that healthy children should be required to be vaccinated. At α=0.10​, is there enough evidence to support the​ researcher's claim? Identify the rejection​ region(s). Select the correct choice below and fill in the answer​ box(es) to complete your choice. ​(Round to two decimal places as​ needed.) Fill the answer to the correct answer A. The rejection region is      .   D. The rejection regions are z<   and z>   .     ​(c) Find the standardized test statistic z.   z= ​(Round to two decimal places as​ needed.)   ​(d) Decide whether to reject or fail to reject the null hypothesis and​ (e) interpret the decision in the context of the original claim. Choose a or b   ▼  (A)Reject (B)Fail to reject the null hypothesis. There ▼  (A)is not (B)is enough evidence to ▼  (A)reject (B)support the​ researcher's claim.

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
Topic Video
Question

​A medical researcher says that less than 79​% of adults in a certain country think that healthy children should be required to be vaccinated. In a random sample of 300 adults in that​ country, 75​% think that healthy children should be required to be vaccinated. At α=0.10​, is there enough evidence to support the​ researcher's claim?

Identify the rejection​ region(s). Select the correct choice below and fill in the answer​ box(es) to complete your choice.
​(Round to two decimal places as​ needed.)
Fill the answer to the correct answer
A.
The rejection region is   <z<
 
B.
The rejection region is z<    .
 
C.
The rejection region is z>    .
 
D.
The rejection regions are z<   and z>   .
 
 
​(c) Find the standardized test statistic z.
 
z=
​(Round to two decimal places as​ needed.)
 
​(d) Decide whether to reject or fail to reject the null hypothesis and​ (e) interpret the decision in the context of the original claim.
Choose a or b
 
 (A)Reject
(B)Fail to reject
the null hypothesis. There
 (A)is not
(B)is
enough evidence to
 (A)reject
(B)support
the​ researcher's claim.
Expert Solution
Step 1

It is given that:

Statistics homework question answer, step 1, image 1

Step 2

b).

To test the claim that whether healthy children should be required to be vaccinated is less than 79% or not.

Statistics homework question answer, step 2, image 1

trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps with 2 images

Blurred answer
Knowledge Booster
Hypothesis Tests and Confidence Intervals for Means
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE 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