MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Question

Find the standardized test statistic z. 

K A medical researcher says that less than 75% 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, 72% 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. ¹'a. P (b) Find the critical value(s) and identify the rejection region(s). Identify the critical value(s) for this test. Zo = = -2.33 (Round to two decimal places as needed. Use a comma to separate answers as needed.) Z= 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< -2.33. OB. The rejection region is z> Oc. The rejection region is OD. The rejection regions are z< (c) Find the standardized test statistic z. 0 (Round to two decimal places as needed.) 2004- ''aM- <Z< View an example Get more help. and z> Question 6 (0/3) TEATRICA ''a.PT Clear all Check answer Chokery e.com tion key e.co -Va A.G.E D key e.com sis Hypothesis 3+1
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Transcribed Image Text:K A medical researcher says that less than 75% 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, 72% 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. ¹'a. P (b) Find the critical value(s) and identify the rejection region(s). Identify the critical value(s) for this test. Zo = = -2.33 (Round to two decimal places as needed. Use a comma to separate answers as needed.) Z= 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< -2.33. OB. The rejection region is z> Oc. The rejection region is OD. The rejection regions are z< (c) Find the standardized test statistic z. 0 (Round to two decimal places as needed.) 2004- ''aM- <Z< View an example Get more help. and z> Question 6 (0/3) TEATRICA ''a.PT Clear all Check answer Chokery e.com tion key e.co -Va A.G.E D key e.com sis Hypothesis 3+1
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