A newspaper published an article about a study in which researchers subjected laboratory gloves tostress. Among 221 vinyl gloves, 56% leaked viruses. Among 221 latex gloves, 14% leaked viruses.Using the accompanying display of the technology results, and using a 0.10 significance level, testthe claim that vinyl gloves have a greater virus leak rate than latex gloves. Let vinyl gloves bepopulation 1.A Click the icon to view the technology results.What are the null and alternative hypotheses?O C. Ho: P1 =P2O A. Ho: P1#P2H1: P1 P2O B. Ho: P1 = P2H1: P1 P2H1: P1 #P2ormOF. Ho: P1 =P2H1: P1 P2H1: P1 =P2H1: P1 P2ラ士Z0Identify the test statistic.0.350.31 to(Round to two decimal places as needed.)iterval foIdentify the P-value Using the accompanying display of the technologythe claim that vinyl gloves have a greater virus leak rate than latex gloves. Let vinyl gloves bepopulation 1.a Click the icon to view the technology results.Identify the test statistic.(Round to two decimal places as needed.)Identify the P-value.(Round to three decimal places as needed.)What is the conclusion for this test?The P-value isv the significance level a, sov the null hypothesis. There isevidence to support the claim that vinyl gloves have a greater virus leak rate than latexitegloves,

Given : n1= 221 n2= 221 significance level, 0.1 sample proportion p̂1…

Answered: I Click the icon to view the chnology…

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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Suppoose the p-value for a hypothesis is 0.0305. Using a 0.05, what is the appropriate conclusion? A. Reject null hypothesis B. Fail to rehect the null hypothesis C. Reject the alternative hypothesis D. Fail to reject the alternative hypothesis Answer correctly.
1.) Create a set of hypotheses for a test.
More than 11% of people mind if others smoke near a building entrance. Express the null and alternative hypotheses in symbolic form for this claim.H0:H1:
Assume that adults were randomly selected for a poll. They were asked if they "favor or oppose using federal tax dollars to fund medical research using stem cells obtained from human embryos." Of those polled, 482 were in favor, 403 were opposed, and 124 were unsure. A politician claims that people don't really understand the stem cell issue and their responses to such questions are random responses equivalent to a coin toss. Exclude the 124 subjects who said that they were unsure, and use a 0.01 significance level to test the claim that the proportion of subjects who respond in favor is equal to 0.5. What does the result suggest about the politician's claim? Identify the null and alternative hypotheses for this test. Choose the correct answer below. О А. Но: р#0.5 H1:p= 0.5 В. Но: р30.5 H1:p#0.5 О с. Но: р30.5 H1: p>0.5 O D. Ho: p= 0.5 H1:p<0.5 Identify the test statistic for this hypothesis test. The test statistic for this hypothesis test is (Round to two decimal places as needed.)…
The numbers of successes and the sample sizes for independent simple random samples from two populations are provided for a right-tailed test. Use a 90% confidence interval. Complete parts (a) through (d). X1 = 25, n, = 30, x2 = 17, n, = 70, a = 0.05 Click here to view a table of areas under the standard normal curve for negative values of z. Click here to view a table of areas under the standard normal curve for positive values of z. a. Determine the sample proportions. Determine the sample proportion p1. p = (Round to three decimal places as needed.) Determine the sample proportion p2. P2 = (Round to three decimal places as needed.) Determine the pooled sample proportion p,. (Round to three decimal places as needed.) b. Decide whether using the two-proportions z-procedures is appropriate. Check that the assumptions are satisfied. Select all that apply. A. The assumptions are satisfied, so using the procedures is appropriate. B. Since x, is less than 5, using the procedures is not…
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Let’s assume the average income for all majors in the School of Engineering is $80,000. However, the chair of the Computer Science department thinks their students earn more than that. Please choose the appropriate null and alternative hypotheses if the chair wanted to test this belief. a. H0: u <=80,000 Ha: u > 80,000 b. H0: u= 80000 Ha: u not= 80000 c. H0: u >80000 Ha: u < 80000 d. H0: u >80000 Ha: < 80000 e. None of the above.
A school librarian wanted to estimate the proportion of students in the school who had read a certain book. The librarian sampled 50 students from the senior English classes, and 35 of the students in the sample had read the book. Have the conditions for creating a confidence interval for the population proportion been met? A) Yes, because the sample was selected at random. B) Yes, because sampling distributions of proportions are modeled with the normal model. C) Yes, because the sample is large enough to satisfy the normality conditions. D) No, because the sample is not large enough to satisfy the normality conditions. E) No, because the sample was not selected using a random method.
b) By using the phrases “correct decision” or “wrong decision”, complete the decision table for hypothesis testing below. Where the decision is wrong, state the type of error committed. DECISION H0 is false H0 is true Reject H0 Fail to Reject H0
You are driving home one night and must decide if you have enough gas to get home or not. Use the hypotheses below to answer the questions. Ho: My vehicle has enough gas to get home.Ha: My vehicle does not have enough gas to get home. A. A type I error occurs if I conclude (believe) my vehicle does/does not (circle the correct choice) have enough gas to get home, but in fact, my vehicle does / does not (circle the correct choice)have enough gas to get home. B. List one possible consequence that could happen if you made a type I error. C. A type II error occurs if I conclude (believe) my vehicle does / does not (circle the correct choice ) have enough gas to get home, but in fact, my vehicle does / does not (circle the correct choice) have enough gas to get home. D. List one possible consequence that could happen if you made a type Il error. E. Based on the seriousness of the consequences of these two errors, we should set a / B to be less than a /B. Circle the better option for each…
5. Use rules of inference to show that the hypotheses "Joe works hard," "If Joe works hard, then he is a dull boy," and "If Joe is a dull boy, then he will not get the job" imply the conclusion "Joe will not get the job."

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I Click the icon to view the chnology resuits. ...... What are the null and alternative hypotheses? O C. Ho: P1 =P2 H1: P1 #P2 O A. Ho: P1 #P2 B. Ho: P1 = P2 H1: P1 P2 H1: P1 P2 orn O E. Ho: P1 >P2 OF. Ho: P1 =P2 O D. Ho: P1