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 400 adults in tRat 88UHUY vaccinated. At a =0.10, is there enough evidence to support the researcher's claim? Complete parts (a) through (e) below. a y u U N e no u n 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. The percentage of adults in the country who think that healthy children should be required to vaccinated is not %. B. Less than 86 % of adults in the country think that healthy children should be required to be vaccinated. OC. More than % of adults in the country think that healthy children should be required to be vaccinated. O D. % 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 I required to be vaccinated. State Ho and H. 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 OB. Ho: ps OC. Ho: p< zd:"H OF Ho: p Hps Hip> D. OE Ho P Ho: p2 086 Hp< 0.86 Hp (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.)

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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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 400 adults in that country, 84% 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 uny uw UaI aIN Dae no u na
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. The percentage of adults in the country who think that healthy children should be required to be vaccinated is not %
CB. Less than 86 % of adults in the country think that healthy children should be required to be vaccinated.
O C. More than % of adults in the country think that healthy children should be required to be vaccinated.
O D. % 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 H. Select the correct choice below and fill in the answer boxes to
complete your choice.
(Round to two decimal places as needed.)
OB. Ho: ps
OC. Ho: p<
O A
Ho: p>
H:ps
Hp>
H: p2
D. Ho: p2 0.86
OE Ho p
OF.
Ho: p
Hp< 0.86
H p
(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.)
Transcribed Image Text: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 400 adults in that country, 84% 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 uny uw UaI aIN Dae no u na 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. The percentage of adults in the country who think that healthy children should be required to be vaccinated is not % CB. Less than 86 % of adults in the country think that healthy children should be required to be vaccinated. O C. More than % of adults in the country think that healthy children should be required to be vaccinated. O D. % 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 H. Select the correct choice below and fill in the answer boxes to complete your choice. (Round to two decimal places as needed.) OB. Ho: ps OC. Ho: p< O A Ho: p> H:ps Hp> H: p2 D. Ho: p2 0.86 OE Ho p OF. Ho: p Hp< 0.86 H p (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.)
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