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A medical researcher says that less than 80% 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, 7 think that healthy children should be required to be vaccinated. At a=0.10, is there enough evidence to support the researcher's claim? Complete parts (a) through (e) below. (a) Identify the claim and state Ho 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.) OA. % of adults in the country think that healthy children should be required to be vaccinated. % of adults in the country think that healthy children should be required to be vaccinated. OB. Less than OC. More than % of adults in the country think that healthy children should be required to be vaccinated. OD. The percentage of adults in the country who think that healthy children should be required to be vaccinated is not 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 Ho and H. Select the con choice below and fill in the answer hoves to complete your choice

A medical researcher says that less than 80% 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, 7 think that healthy children should be required to be vaccinated. At a=0.10, is there enough evidence to support the researcher's claim? Complete parts (a) through (e) below. (a) Identify the claim and state Ho 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.) OA. % of adults in the country think that healthy children should be required to be vaccinated. % of adults in the country think that healthy children should be required to be vaccinated. OB. Less than OC. More than % of adults in the country think that healthy children should be required to be vaccinated. OD. The percentage of adults in the country who think that healthy children should be required to be vaccinated is not 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 Ho and H. Select the con choice below and fill in the answer hoves to complete your choice

MATLAB: An Introduction with Applications
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 80% 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, 76% think that healthy children should be required to be vaccinated. At x = 0.10, is there enough evidence to support the researcher's claim? Complete parts (a) through (e) below. (a) Identify the claim and state Ho 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.) O A. % of adults in the country think that healthy children should be required to be vaccinated. % of adults in the country think that healthy children should be required to be vaccinated. OB. Less than OC. More than % of adults in the country think that healthy children should be required to be vaccinated. OD. The percentage of adults in the country who think that healthy children should be required to be vaccinated is not %. 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 Ho and H₂. Select the correct choice below and fill in the answer boxes to complete your choice. (Round to two decimal places as needed.) OA. Ho: P< Ha:pz OD. Ho: P2 Ha: p< (b) Find the critical value(s) and identify the rejection region(s). Identify the critical value(s) for this test. OB. Ho:p> Ha: ps OE. Ho: P Ha: p= OC. Ho: P= Ha: p OF. Ho: ps H₂:p> Time Remaining: 01:56:53 Next
Transcribed Image Text:A medical researcher says that less than 80% 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, 76% think that healthy children should be required to be vaccinated. At x = 0.10, is there enough evidence to support the researcher's claim? Complete parts (a) through (e) below. (a) Identify the claim and state Ho 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.) O A. % of adults in the country think that healthy children should be required to be vaccinated. % of adults in the country think that healthy children should be required to be vaccinated. OB. Less than OC. More than % of adults in the country think that healthy children should be required to be vaccinated. OD. The percentage of adults in the country who think that healthy children should be required to be vaccinated is not %. 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 Ho and H₂. Select the correct choice below and fill in the answer boxes to complete your choice. (Round to two decimal places as needed.) OA. Ho: P< Ha:pz OD. Ho: P2 Ha: p< (b) Find the critical value(s) and identify the rejection region(s). Identify the critical value(s) for this test. OB. Ho:p> Ha: ps OE. Ho: P Ha: p= OC. Ho: P= Ha: p OF. Ho: ps H₂:p> Time Remaining: 01:56:53 Next
A medical researcher says that less than 80% 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, 76% think that healthy children should be required to be vaccinated. At a = 0.10, is there enough evidence to support the researcher's claim? Complete parts (a) through (e) below. (b) Find the critical value(s) and identify the rejection region(s). Identify the critical value(s) for this test. Zo = (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< OB. The rejection regions are z< O c. The rejection region is O D. The rejection region is z> (c) Find the standardized test statistic z. <Z< and 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. ₂ the null hypothesis. There enough evidence to the researcher's claim. Time Remaining: 01:56:48
Transcribed Image Text:A medical researcher says that less than 80% 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, 76% think that healthy children should be required to be vaccinated. At a = 0.10, is there enough evidence to support the researcher's claim? Complete parts (a) through (e) below. (b) Find the critical value(s) and identify the rejection region(s). Identify the critical value(s) for this test. Zo = (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< OB. The rejection regions are z< O c. The rejection region is O D. The rejection region is z> (c) Find the standardized test statistic z. <Z< and 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. ₂ the null hypothesis. There enough evidence to the researcher's claim. Time Remaining: 01:56:48
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