A medical researcher says that less than 72% 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, 70% think that healthy children should be required to be vaccinated. At a = 0.01, is there enough evidence to support the researcher's claim? Complete parts (a) through (e) below. KITE (a) Identify the claim and state Ho and Ha Identify the claim 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 %. OB. % of adults in the country think that healthy children should be required to be vaccinated. C. Less than 72 % of adults in the country think that healthy children should be required to be vaccinated. OD. More 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 Ho and H₂. Select the correct choice below and fill in the answer boxes to complete your choice. (Round to two decimal places s needed.) OC. Ho: Ps A. Ho: pz 0.72 OB. Ho: P< H₂:pz H₂: p< 0.72 H₂:p> ĐẸ Hop OD. Ho:p> Ha: ps OE Ho: P H₂:p= (b) Find the critical value(s) and identify the rejection region(s). Identify the critical value(s) for this test. % =0 (Round to two decimal places as needed. Use a comma to separate answers as needed.) H₂:p*

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(b) Find the critical value(s) and identify the rejection region(s). Identify the critical value(s) for this test.
A medical researcher says that less than 72% 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, 70% think that healthy children should be required to be
vaccinated. At a = 0.01, is there enough evidence to support the researcher's claim? Complete parts (a) through (e) below.
(a) Identify the claim and state Ho and H₂.
Identify the claim
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 %.
OB. % of adults in the country think that healthy children should be required to be vaccinated.
C. Less than 72 % of adults in the country think that healthy children should be required to be vaccinated.
OD. More 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 Ho and H₂. Select the correct choice below and fill in the answer boxes to
complete your choice.
(Round to two decimal places s needed.)
OC. Ho: ps
A. Ho: p² 0.72
OB. Ho: P<
H₂:pz
Ha:p>
H₂: p< 0.72
ĐẸ Hop
OD. Ho:p>
Ha: ps
OE Ho: P
H₂:p=
H₂:p*
(b) Find the critical value(s) and identify the rejection region(s).
Identify the critical value(s) for this test.
20 = 0
(Round to two decimal places as needed. Use a comma to separate answers as needed.)
Transcribed Image Text:A medical researcher says that less than 72% 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, 70% think that healthy children should be required to be vaccinated. At a = 0.01, is there enough evidence to support the researcher's claim? Complete parts (a) through (e) below. (a) Identify the claim and state Ho and H₂. Identify the claim 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 %. OB. % of adults in the country think that healthy children should be required to be vaccinated. C. Less than 72 % of adults in the country think that healthy children should be required to be vaccinated. OD. More 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 Ho and H₂. Select the correct choice below and fill in the answer boxes to complete your choice. (Round to two decimal places s needed.) OC. Ho: ps A. Ho: p² 0.72 OB. Ho: P< H₂:pz Ha:p> H₂: p< 0.72 ĐẸ Hop OD. Ho:p> Ha: ps OE Ho: P H₂:p= H₂:p* (b) Find the critical value(s) and identify the rejection region(s). Identify the critical value(s) for this test. 20 = 0 (Round to two decimal places as needed. Use a comma to separate answers as needed.)
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