A medical researcher says that less than85%of adults in a certain country think that healthy children should be required to be vaccinated. In a random sample of300adults in that country,83%think that healthy children should be required to be vaccinated. Atα=0.01,is there enough evidence to support the researcher's claim? Complete parts (a) through (e) below. (a) Identify the claim and stateH0andHa. 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 than8585%of adults in the country think that healthy children should be required to be vaccinated.Your answer is correct. B.The percentage of adults in the country who think that healthy children should be required to be vaccinated is notenter your response here%. C.More thanenter your response here%of adults in the country think that healthy children should be required to be vaccinated. D.enter your response here%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. StateH0andHa.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≠enter your response hereHa:p=enter your response here B.H0:penter your response hereHa:p≤enter your response here D.H0:p≥0.850.85Ha:penter your response here(b) Find the critical value(s) and identify the rejection region(s). Identify the critical value(s) for this test. z0=negative 2.33−2.33(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 iszenter your response here. B.The rejection region isenter your response hereenter your response here. Help me solve thisView an example Get more help

Question

A medical researcher says that less than85%of adults in a certain country think that healthy children should be required to be vaccinated. In a random sample of300adults in that country,83%think that healthy children should be required to be vaccinated. Atα=0.01,is there enough evidence to support the researcher's claim? Complete parts (a) through (e) below. (a) Identify the claim and stateH0andHa. 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 than8585%of adults in the country think that healthy children should be required to be vaccinated.Your answer is correct. B.The percentage of adults in the country who think that healthy children should be required to be vaccinated is notenter your response here%. C.More thanenter your response here%of adults in the country think that healthy children should be required to be vaccinated. D.enter your response here%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. StateH0andHa.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≠enter your response hereHa:p=enter your response here B.H0:penter your response hereHa:p≤enter your response here D.H0:p≥0.850.85Ha:p<0.850.85 E.H0:p=enter your response hereHa:p≠enter your response here F.H0:p≤enter your response hereHa:p>enter your response here(b) Find the critical value(s) and identify the rejection region(s). Identify the critical value(s) for this test. z0=negative 2.33−2.33(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 isz>enter your response here. B.The rejection region isenter your response hereenter your response here. Help me solve thisView an example Get more help

Accepted Answer

Given that 
A medical researcher says that less than 85​% of adults in a certain country think that…