Need help with these questions MKWed Oct 27 1:47 ANEdit View HistoryBookmarksWindowHelpA online.bhcc.eduA Course: 2021FA Statistics I (MAT-181-01)https://online.bhcc.edu/pluginfile.php/2050419/mod_resource/content/1/Review%20for%20test%202.pdfReview for test #2Review for Test 2Suppose that an airline uses a seat width of 17.9 in. Assume men have hip breadths that are normallydistributed with a mean of 15.2in. And a standard deviation of 1.2 in(a) Find the probability that if an individual man is randomly selected, his hip breadth will be greater than17.9 in(b) If a plane is filled with 131 randomly selected men, find the probability that these men have a meanhip breadth greater than 17.9 inBased on a Harris Interactive poll, 20% of adults believe in reincarnation. Assume that six adults arerandomly selected, and find the indicated probability.a) What is the probability that exactly five of the selected adults believe inreincarnation?b) What is the probability that all of the selected adults believe in reincarnation?c) What is probability that at least five of the selected adults believe in reincarnation?d) If six adults are randomly selected, is five an unusually high number who believe inreincarnation?Yesterday 75G PM1 You started sharing location with Future+1 (732) 259-9613Okay sir, just keep me updated6/1/21IMessagealex, Albert, Tyler & Niki 5/31/21dtv27MacBook AirDII77FSF6FB1917F374%234.79.236%3DdeleYPSGKV...-

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Answered: Suppose that an airline uses a seat…

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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Fifty patients with high lipoprotein and thirty patients with low lipoprotein were observed. None of them had ischemic stroke initially. But after eight years, a total of 36 of them had ischemic stroke. Results are shown in the table below: see attached photo Compute for the relative risk in developing ischemic stroke in eight years among population with high lipoprotein versus patients with low lipoprotein. Source: Nave, A. H., & von Eckardstein, A. (2019). Is lipoprotein (a) a risk factor for ischemic stroke and venous thromboembolism?. Clinical research in cardiology supplements, 1-5 1.2 1.4 1.8 2.5
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Most major airlines allow passengers to carry two pieces of luggage (of a certain maximum size) onto the plane. However, their studies show that the more carry-on baggage passengers have, the longer it takes to unload and load passengers. One regional airline is considering changing its policy to allow only one carry-on per passenger. Before doing so, it decided to collect some data. Specifically, a random sample of 1,000 passengers was selected. The passengers were observed, and the number of bags carried on the plane was noted. Out of the 1,000 passengers, 363 had more than one bag. Complete parts a through d below. a. Based on this sample, develop and interpret a 95% confidence interval estimate for the proportion of the traveling population that would have been impacted had the one-bag limit been in effect. Determine the confidence interval. ?? ——— ?? (Round to three decimal places as needed. Use ascending order.) Which statement below correctly interprets the…
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A Deputy Registrar at a certainty university conducted a Chi-Square test of association to establish whether or not employee grade and level of absenteeism were associated. Table 2 below shows part of the results which were obtained. Table 2: Cross tabulation of employee grade and level of absenteeism Contingency Tables Grade LAbsence 1 2 3 Total low Observed 8 1 0 9 Expected 2.90 3.48 2.61 9.00 high Observed 2 11 9 22 Expected 7.10 8.52 6.39 22.00 Total Observed 10 12 9 31 Expected 10.00 12.00 9.00 31.00 2.1 State the appropriate measurement scales for the variables. 2.2 State the null and alternative hypotheses. 2.3 Calculate the expected frequency corresponding to a Grade 3 academic with a high level of absenteeism. 2.4 Find the Chi-Square critical value and test statistic.…
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A Deputy Registrar at a certainty university conducted a Chi-Square test of association to establish whether or not employee grade and level of absenteeism were associated. Table 2 below shows part of the results which were obtained. Table 2: Cross tabulation of employee grade and level of absenteeism Contingency Tables Grade LAbsence 1 2 3 Total low Observed 8 1 0 9 Expected 2.90 3.48 2.61 9.00 high Observed 2 11 9 22 Expected 7.10 8.52 6.39 22.00 Total Observed 10 12 9 31 Expected 10.00 12.00 9.00 31.00 2.3 Calculate the expected frequency corresponding to a Grade 3 academic with a high level of absenteeism.
A Deputy Registrar at a certainty university conducted a Chi-Square test of association to establish whether or not employee grade and level of absenteeism were associated. Table 2 below shows part of the results which were obtained. Table 2: Cross tabulation of employee grade and level of absenteeism Contingency Tables Grade LAbsence 1 2 3 Total low Observed 8 1 0 9 Expected 2.90 3.48 2.61 9.00 high Observed 2 11 9 22 Expected 7.10 8.52 6.39 22.00 Total Observed 10 12 9 31 Expected 10.00 12.00 9.00 31.00 2.4 Find the Chi-Square critical value and test statistic. Hence, conduct a Chi-Square test of association at 5% level of significance clearly stating your decision and conclusion.

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