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? (a) Identify the claim and state H0 and Ha. Identify the claim in this scenario. Select the correct choice below and fill in the answer box to complete your choice. (Type an integer or a decimal. Do not round.) Fill the percentage for the correct answer A. More than % of adults in the country think that healthy children should be required to be vaccinated. B. % of adults in the country think that healthy children should be required to be vaccinated. C. The percentage of adults in the country who think that healthy children should be required to be vaccinated is not %. D. Less than % of adults in the country think that healthy children should be required to be vaccinated. Let p be the population proportion of successes, where a success is an adult in the country who thinks that healthy children should be required to be vaccinated. State H0 and Ha. Select the correct choice below and fill in the answer boxes to complete your choice. (Round to two decimal places as needed.) A. H0:p≠ Ha:p= B. H0:p= Ha:p≠ C. H0:p≥ Ha:p< D. H0:p> Ha:p≤ E. H0:p< Ha:p≥ F. H0:p≤ Ha:p> (b) Find the critical value(s) and identify the rejection region(s). Identify the critical value(s) for this test. z0 = (Round to two decimal places as needed. Use a comma to separate answers as needed.)

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Description: 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

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 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?

(a) Identify the claim and state

and

Ha.

Identify the claim in this scenario. Select the correct choice below and fill in the answer box to complete your choice.

(Type an integer or a decimal. Do not round.)

Fill the percentage for the correct answer

More than % of adults in the country think that healthy children should be required to be vaccinated.

B. % of adults in the country think that healthy children should be required to be vaccinated.

The percentage of adults in the country who think that healthy children should be required to be vaccinated is not %.

Less than % of adults in the country think that healthy children should be required to be vaccinated.

Let p be the population proportion of successes, where a success is an adult in the country who thinks that healthy children should be required to be vaccinated. State H0 and Ha.
Select the correct choice below and fill in the answer boxes to complete your choice.

(Round to two decimal places as needed.)

H0:p≠

Ha:p=

H0:p=

Ha:p≠

H0:p≥

Ha:p<

H0:p>

Ha:p≤

H0:p<

Ha:p≥

H0:p≤

Ha:p>

(b) Find the critical value(s) and identify the rejection region(s).

Identify the critical value(s) for this test.

z₀ =

(Round to two decimal places as needed. Use a comma to separate answers as needed.)

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