A newspaper published an article about a study in which researchers subjected laboratory gloves to stress. Among 282vinyl gloves, 55% leaked viruses. Among 282 latex gloves, 13% leaked viruses. Using the accompanying display of thetechnology results, and using a 0.05 significance level, test the claim that vinyl gloves have a greater virus leak rate thanlatex gloves. Let vinyl gloves be population 1.i Click the icon to view the technology results.What are the null and alternative hypotheses?OA. Ho: P1 P2H₁: P₁ P2OD. Ho: P₁ P2H₁: P₁ = P₂Identify the test statistic.OB. Ho: P₁ > P2H₁: P₁ P2(Round to two decimal places as needed.)Identify the P-value.The D value in..OE. Ho: P1 P2H₁: P₁ P2(Round to three decimal places as needed.)What is the conclusion for this test?the significano loval a 00OC. Ho: P₁ #P2H₁: P₁ P2OF. Ho: P1P2H₁: P₁ P2=tha mull hungthonie Thero inte

Let p1 and p2 be the population proportions of vinyl gloves and latex gloves.Given that,Sample size…

Answered: What are the null and alternative…

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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use a hypothesis test to determine if the proportions are statistically different. A recent survey showed that in a sample of 100 elementary school teachers, 15 were single. In a sample of 180high school teachers, 36 were single. Is the proportion of high school teachers who were single greater than theproportion of elementary teachers who were single? Use ΅ = 0.01.
Determine the null and alternative hypotheses. Choose the correct choice below. A. H0: The expected frequencies are all equal to 5. Ha: At least one expected frequency differs from 5. B. H0: The distribution of the variable is the same as the given distribution. Ha: The distribution of the variable differs from the given distribution. C. H0: The distribution of the variable differs from the normal distribution. Ha: The distribution of the variable is the normal distribution. D. H0: The distribution of the variable differs from the given distribution. Ha: The distribution of the variable is the same as the given distribution. Compute the value of the test statistic, χ2. χ2= (Round to three decimal places as needed.) Find the P-value. P= (Round to three decimal places as needed.) Does the data provide sufficient evidence that the distribution of the variable differs from the given distribution? A. No,…
Use the sample data below to test the hypotheses where p is the population proportion of yes responses for population i. Using a .05 level of significance
Teat the claim abouy the population mean, u, at the given level of significance, a, using the given sample statistics. Claim:u=50; a=0.05; o=3.11. Sample statistics: x=48.4, n=71. i) Identify the null and alternative hypothesis. (Do not forget to find the standardized test statistic and critical values) ii) Determine tge outcome and conclusion of the test.
What is the p-value?
18
Claim: Fewer than 92% of adults have a cell phone. In a reputable poll of 1178 adults, 87% said that they have a cell phone. Find the value of the test statistic. The value of the test statistic is (Round to two decimal places as needed.)
K Census data for a certain county show that 17% of the adult residents are Hispanic. Suppose 74 people are called for jury duty and only 10 of them are Hispanic. Does this apparent underrepresentation of Hispanics call into question the fairness of the jury selection system? Explain.. Write appropriate hypotheses. Ho: p= 17% HA: P < 17% The test statistic is z = - .80 (Round to two decimal places as needed.) The P-value is. (Round to three decimal places as needed.) C
Claim: Fewer than 91% of adults have a cell phone. In a reputable poll of 1045 adults, 82% said that they have a cell phone. Find the value of the test statistic. The value of the test statistic is (Round to two decimal places as needed.)
claim: Most adults would not erase all of their personal information online if they could. A software firm survey of 585 randomly selected adults showed that 49.3% of them would erase all of their personal information online if they could. Make a subjective estimate to decide whether the results are significantly low or significantly high, then state a conclusion about the original claim.
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What are the null and alternative hypotheses? OA. Ho: P₁ = P2 H₁: P₁ P2 OD. Ho: P1