OC. None of the aboveQUESTION 7In testing the hypotheses H₂=0.40, H¸:л>0.40, at 5 % level of significance. if the sample proportion is 0.45 an0the sample size is 49; which one of the following statements is incorrect?O A. A one-tail is used.OB. The standard error is 0.0070O C. The test statistic is 0.7143OD. p-value is 0.2389Click Save and Submit to save and submit. Click Save All Answers to save all answers.0H2Enjoya

Answered: In testing the hypotheses Hn=0.40,…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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her. If the candi needed? Because the p-hat is not A E = 0.07 c = 0.90 Solution Given information: Z. = 1.645 At c = 0.90 , n = pq () = 0.5(1 – 0.5) (4) 2 Minimum Sample Size to Estimate p : 0.07 139 (rounded up) Try This 8.3.2 wich to estimate, with 90% confidence, the population proportion of U.S. adults who are onfident in the stability of the U.S. banking system. Your estimate must be accurate within 3% of the nopulation proportion. Find the minimum sample size needed, using a prior study that found that 43% of U.S. adults are confident in the stability of the U.S. banking system. Confidence Interval Summary Mean with Standard Mean with Standard Proportions Deviation o Known Deviation o Unknown Critical Value Zc tc with d.f.=n – 1 E = tc n Margin of Error S E = Zc Jn E = Zc 的一”
Test the claim about the population mean, µ, at the given level of significance using the given sample statistics. Claim: μ = 50; x = 0.03; o = 3.64. Sample statistics: x = 49.7, n = 70 Identify the null and alternative hypotheses. Choose the correct answer below. O A. Ho: μ = 50 Ha:μ>50 C. Ho: μ 50 H₂: H=50 MMMM D. Ho: μ = 50 Ha: μ< 50 OF. Ho: μ = 50 Ha: μ#50
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In testing the hypotheses Hn=0.40, H:>0.40, at 5 % level of significance. if the sample proportion is 0.45 ar the sample size is 49; which one of the following statements is incorrect?