Final Conclusions. In Exercises 25–28, use a significance level of α = 0.05 and use the given information for the following: a. State a conclusion about the null hypothesis. (Reject H0  or fail to reject H0) b. Without using technical terms or symbols, state a final conclusion that addresses the original claim. Original claim: More than 58% of adults would erase all of their personal information online if they could. The hypothesis test results in a P-value of 0.3257.

Q: For several years, evidence had been mounting that folic acid reduces major birth defects. In a…

A: Introduction: Denote p1, p2 as the true proportions of women who gave birth to children with major…

Q: Assumer significance level of a equals .05 and used to giving information to complete parts ANB…

A: From the provided information, Level of significance (α) = 0.05 The P value obtained from hypothesis…

Q: In testing hypotheses, if the consequences of rejecting the null hypothesis are very serious, we…

A: Null hypo. proposes that there is no difference in a set of given values.

Q: 1.The battle of the sexes lives on still today. Since admission standards do not address gender…

A: Detailed explanation: Here are the steps for each hypothesis test:1. Comparing Mean GPA Between Men…

Q: An airline claims that less than 6% of its entire lost luggage is never found. Test this claim, if…

A: Given,n=200x=17p^=xnp^=17200=0.085α=0.05

Q: A poll of 1144 Americans showed that 47.2% of the respondents prefer to watch the news rather than…

A: (a) That is, there is no evidence to conclude that the population proportion of all Americans who…

Q: Perform the following hypothesis test of a proportion: HO: p = 0.125 HA: p 0.125 The sample…

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Q: A statistical test result is called "statistically significant" whenever The test statistic value is…

A: We have to determine when the statistical test is said to be significant.

Q: Using the p-value method, we reject the null hypothesis if the p-value is ___________than or equal…

A: NOTE When p-value≤α=level of significance, then we reject the null hypothesis. When…

Q: The following hypothesis-testing situation is given:   H0: π ≤ .50 and H1: π > .50. The…

A: The given hypothesis is H0:π≤0.50 and H1:π>0.50. The significance level is 0.10 and the sample…

Q: In performing a hypothesis T-test, the p-value was 0.00046 and the significance level was 5%.  What…

A: Given,   P-value: 0.00046 Level of significance = 0.05   The objective is to find the conclusion.

Q: Test the claim that the proportion of people who own cats is significantly different than 20% at the…

A: The given data is as follows:Significance level, Sample size,  Sample proportion,

Q: In testing hypotheses, if the consequences of failing to reject a null hypothesis that is actually…

A: Here, if the consequences of failing to reject a null hypothesis that is actually false are very…

Q: Identify the null and alternative hypotheses for this test. Choose the correct answer below. O A.…

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Q: State your decision to the significance test in terms of the null hypothesis. Consumer data reports…

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Q: d) Calculate your test statistic. Write the result below, and be sure to round your final answer to…

A: we have given that  n=54;  ¯x=40.66 pounds;  s=3.97 pounds  and alpha=0.05 NOTE:- According to…

Q: The p-value of a hypothesis test is"   a. the smallest significance level at which the null…

A: If p value <= alpha we reject Ho. If p value > alpha we fail to reject Ho.

Q: A newsletter publisher believes that over 63% of their readers owns a Rolls-Royce. For marketing…

A: Given information: The claim is the percentage is over 63%. The level significance is α=0.10. The…

Q: If the level of significance for a test for independency was 5% and the p-value was 0.03, what would…

A: Given,   P-value = 0.03 Level of significance = 0.05   The objective is to find the conclusion.

Q: A statistical test of hypothesis produces the P-value P = 0.604.  Will the null hypothesis be…

A: Given : P-value = 0.604 level of significance = 0.05  Here : P-value : 0.604 > 0.05

Q: a.) Using the p-value method, test the claim that the mean salary for high school teachers in…

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Q: e claim that the proportion of people who own cats is significantly different than 90% at the 0.02…

A: Sample size n =400 Sample proportion p^=0.96

Q: State hypotheses for the significance test. Last year, the results of a survey at one college…

A: Null hypothesis is the hypothesis of no difference. Alternative hypothesis is the claim being made…

Q: Records show that students score an average of 850 points on an achievement test. A test prep…

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Q: Regarding the power of a hypothesis test: a. What does it represent?b. Whathappens to the power of a…

A: (a)Power:The probability of rejecting the null hypothesis when the null hypothesis is false.

Q: In a study of 819 randomly selected medical malpractice lawsuits, it was found that 473 of them were…

A: State the hypotheses. That is, there is no evidence that the proportion of most medical malpractice…

Q: S Click here for the Excel Data File a. Specify the competing hypotheses in order to determine…

A: Solution: Given information: n= 78 total observation k= 4 groups  SSB= 19.75 Sum of square of…

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Q: Test the claim that the proportion of people who own cats is larger than 20% at the 0.05…

A:

Q: use a hypothesis test to determine if the proportions are statistically different. A recent survey…

A:

Q: adults whether they believed that people should pay sales tax on items purchased over the internet.…

A: Let n denote the number of U.S. adults whether they believed that people should pay sales tax on…

Q: Arandom sample of 820 births incduded 431 boys. Use a 0.05 significance level to test the claim that…

A: We have find givan hypothesis....

Q: Use this bar graph to answer the questions. Income (in Dollars) 40,000 32,000 24,000 16,000 8000 0…

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Q: Teacher Salaries. Data on salaries in the public school system are published annually in Ranking of…

A: (a) Denote μ as the true mean annual salary of classroom teachers in State O, in thousand dollars.…

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.