A medical researcher says that less than 76% of adults in a certain country think that healthy children should be required to be vaccinated. In a random sample of 500 adults in that country, 73% think that healthy children should be required to be vaccinated. At α=0.01, is there enough evidence to support the researcher's claim? Complete parts (a) through (e) below. (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.) A. The percentage of adults in the country who think that healthy children should be required to be vaccinated is not nothing%. B. Less than 7676% of adults in the country think that healthy children should be required to be vaccinated. Your answer is correct. C. nothing% of adults in the country think that healthy children should be required to be vaccinated. D. More than nothing% 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. (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.) 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.) A. The rejection region is z< B. The rejection regions are Z and z> C. The rejection region is z> D. The rejection region is

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

76%

of adults in a certain country think that healthy children should be required to be vaccinated. In a random sample of

500

adults in that country,

73%

think that healthy children should be required to be vaccinated. At

α=0.01,

is there enough evidence to support the researcher's claim? Complete parts (a) through (e) below.

(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.)

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

nothing%.

Less than

7676%

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

Your answer is correct.

nothing%

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

More than

nothing%

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

and

Ha.

(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.)

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.)

The rejection region is

The rejection regions are

Z and

The rejection region is

<z<.

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