A medical researcher says that less than 82% of adults in a certain country think that healthy children should be required to be vaccinated. In arandom sample of 300 adults in that country, 79% think that healthy children should be required to be vaccinated. At a = 0.01, is there enoughevidence to support the researcher's claim? Complete parts (a) through (e) below.「a'ドーTa P'aD. Ho p=E. Ho: P>OF.Ho:psHai ptHa:psHgip>W(b) Find the critical value(s) and identify the rejection region(s).Identify the critical value(s) for this test.(Round to two decimal places as needed. Use a comma to separate answers as needed.)Enter your answer in the answer box and then click Check Answer.?3 partsremainingClear AlI

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A medical researcher says that less than 82% 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, 79% think that healthy children should be required to be vaccinated. At a = 0.01, is there enough
evidence to support the researcher's claim? Complete parts (a) through (e) below.
「a'ドー
Ta P
'a
D. Ho p=
E. Ho: P>
OF.
Ho:ps
Hai pt
Ha:ps
Hgip>
W(b) Find the critical value(s) and identify the rejection region(s).
Identify the critical value(s) for this test.
(Round to two decimal places as needed. Use a comma to separate answers as needed.)
Enter your answer in the answer box and then click Check Answer.
?
3 parts
remaining
Clear AlI

Expert Solution

Step 1

Given:

Sample size of data is n=300.

79% percentage of the healthy children should be required to be vaccinated ,that is, pˆ=0.79.

A researcher wants to test that less than 82% adults think that healthy children should be required to be vaccinated.

The expression of null hypothesis and alternative hypothesis is;

H0 : p≥0.82

Ha : p<0.82

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