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. D C. Less than 72 % of adults in the country think that healthy children should be required to OD. More than % of adults in the country think that healthy children should be required to vaccinated. 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 as needed.) OC. Hops A. Ho: pz 0.72 H:p< 0.72 OB. Ho: P< H:pz H₂:p> Ẹ Hỏi Đ OD. Ho: P H: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. Z-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) complete your choice. (Round to two decimal places as needed.) OA. The rejection region is OC. The rejection regions are z< and z> OD. The rejection region is z< H₂:p*
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. D C. Less than 72 % of adults in the country think that healthy children should be required to OD. More than % of adults in the country think that healthy children should be required to vaccinated. 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 as needed.) OC. Hops A. Ho: pz 0.72 H:p< 0.72 OB. Ho: P< H:pz H₂:p> Ẹ Hỏi Đ OD. Ho: P H: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. Z-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) complete your choice. (Round to two decimal places as needed.) OA. The rejection region is OC. The rejection regions are z< and z> OD. The rejection region is z< H₂: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
Related questions
Question
Identify the rejection region(s). Select the correct choice below and fill in the answer boxes) to complete vour choice.
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.
C. Less than 72 % of adults in the country think that healthy children should be required to
OD. More than % of adults in the country think that healthy children should be required to
vaccinated.
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 as needed.)
A. Ho: pz 0.72
OC. Hops
OB. Ho: P<
H:pz
H₂:p< 0.72
H₂:p>
ĐẸ Hoi Do
OD. Ho: P
Hips
OE Ho: P*
H₂: p=
Ha:p*
(b) Find the critical value(s) and identify the rejection region(s).
Identify the critical value(s) for this test.
Z=-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.)
OA. The rejection region is
<<<<
B. The rejection region is z>
OC. The rejection regions are z< and z>
OD. The rejection region is z<.
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