A medical researcher says that less than 86% 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, 84% think that healthy children should be required to be vaccinated. At α=0.05, 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. Less than 8686% of adults in the country think that healthy children should be required to be vaccinated. B. The percentage of adults in the country who think that healthy children should be required to be vaccinated is not nothing%. 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. Your answer is not correct. 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≥0.860.86 Ha: p<0.860.86 B. H0: p>nothing Ha: p≤nothing C. H0: p=nothing Ha: p≠nothing D. H0: p≤nothing Ha: p>nothing Your answer is not correct. E. H0: p≠nothing Ha: p=nothing F. H0: p

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section: Chapter Questions

Problem 8CR

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Related questions

Question

A medical researcher says that less than

86%

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,

84%

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

α=0.05,

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.)

Less than

8686%

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

nothing%.

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.

Your answer is not correct.

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.

Select the correct choice below and fill in the answer boxes to complete your choice.

(Round to two decimal places as needed.)

H0:

p≥0.860.86

Ha:

p<0.860.86

H0:

p>nothing

Ha:

p≤nothing

H0:

p=nothing

Ha:

p≠nothing

H0:

p≤nothing

Ha:

p>nothing

Your answer is not correct.

H0:

p≠nothing

Ha:

p=nothing

H0:

p<nothing

Ha:

p≥nothing

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

Identify the critical value(s) for this test.

z0=nothing

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

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