If you reject the null hypothesis at the 5% significance level, would you reject it at the 7% level?
Q: he critical values for a (two sided) hypothesis test at the 95% level are: Group of answer choices…
A: the critical value for a 95 % level =?two sided hypothesis test α=1-0.95=0.05critical value for the…
Q: Statistics and Probability A professor wants to know if her introductory statistics class has a good…
A:
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: = Guestion Heip In a survey, 43% of the respondents stated that they talk to their pets on the…
A: Given that, Sample size n=160 Sample proportion of pet owners who spoke to their pets on telephone…
Q: A political candidate has asked you to conduct a poll to determine what percentage of people support…
A: It is given that margin of error (E) is 0.03 and the confidence level is 99%.
Q: Test the claim that the proportion of people who own cats is smaller than 80% at the 0.01…
A: State the hypotheses. That is, there is no evidence to conclude that the proportion of people who…
Q: Use excel to obtain the test statistic and p-value. Make a decision about the null using the p-value…
A: The data set for the sleep and no sleep group,SleepNo sleep14813986913117109910131212811111491312The…
Q: Test the claim that the proportion of people who own cats is larger than 20% at the 0.025…
A: Given Data : n=500 , p^=0.25 , p0=0.2 and α = 0.025 The null hypothesis is H0 : p ≤0.2 Alternative…
Q: Results from a civil servant exam are shown in the table to the right. Is there sufficient evidence…
A: The Hypothesis: Option A H0: White and Minority candidates have the same chance of passing the test.…
Q: Passed Failed White Results from a civil servant exam are shown in the table to the right. Is there…
A: We have given that Passed Failed Total White candidates 14 15 29 Minority candidates 8…
Q: test using the 0.05 significance level. What is the decision rule? Multiple Choice Reject Ho if the…
A:
Q: Test the claim that the proportion of people who own cats is larger than 90% at the 0.01…
A: Given claim: The proportion of people who own cats is larger than 90%. Null Hypothesis: H0:…
Q: Test the claim that the proportion of men who own cats is significantly different than the…
A: H0: p1 = p2 Alternative hypothesis: Ha: p1 ≠ p2
Q: We used a one-tailed test instead of a two-tailed test. Rewrite the alternative hypothesis (in words…
A: Population mean : µ = 152.6 Population standard deviation : σ = 8.8 Random sample (n = 48)…
Q: Assume that you plan to use a significance level of a = 0.05 to test the claim that p1 = P2. Use the…
A: The sample size of PG-rated movies, n1=50 The ticket sales are 41%. i.e. The sample proportion,…
Q: Test the claim that the proportion of people who own cats is significantly different than 60% at the…
A:
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: Claim: More than 58% of adults would erase all of their personal information online if they could.…
A:
Q: More than 33% of households in Thunder Bay own two or more cars. The null hypothesis is The research…
A: We have given that Population proportion p=33%=0.33 Null and alternative hypothesis.
Q: State whether the null hypothesis should be rejected on the basis of the given P-value. P-value =…
A: Decision rule: If p-value ≤ α, then reject the null hypothesis. Otherwise, fail to reject the null…
Q: Test the claim that the proportion of men who own cats is significantly different than 40% at the…
A: Given data,n=500p-hat =44% =0.44α=0.02Population proportion P=40%=0.40Test statistic is ?
Q: Which of the following would result from increasing the significance level when performing a null…
A: Significance level is increasedAnswer and expaination is provided below
Q: he critical values for a (two sided) hypothesis test at the 90% level are: Group of answer choices…
A:
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: Test the claim that the mean GPA of night students is smaller than 2.3 at the .005 significance…
A: The question is about hypo. testing Given : Sample no. of people ( n ) = 60 Sample mean GPA of night…
Q: Test the claim that the proportion of men who own cats is significantly different than the…
A: Denote p1 is true proportion of male who won cat and p2 is the true proportions female who won cat.
Q: (b) What is the test statistic? (Round your answer to 3 decimal places, if needed.) (c) Using the…
A: Followings are the Explanation of the question Use the two-sample independent t test assuming the…
Q: Test the claim that the proportion of people who own cats is larger than 50% at the 0.05…
A: Solution: From the given information, p-hat=0.56 and n=600.
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: Photo-Cop Legislation: Is there sufficient sample evidence to support a claim that the proportion of…
A: The hypotheses are given below: Null hypothesis: H0: p=0.5. Alternative hypothesis: H1:p >0.5.…
Q: Test the claim that the mean GPA of night students is significantly different than 3.1 at the 0.05…
A:
Q: Test the claim that the proportion of people who own cats is significantly different than 60% at the…
A: Given Information
Q: Hypothesis testing will consist of four hypothesis tests which you need to complete. While you will…
A:
Q: Test the claim that the mean GPA of night students is smaller than the mean GPA of day students at…
A: Let x1 be the samples associated with the GPA of night students and x2 be the samples associated…
Q: Test the claim that the mean GPA of Orange Coast students is larger than the mean GPA of Coastline…
A:
Q: Test the claim that the proportion of men who own cats is larger than 35% at the .025 significance…
A: Solution: State the hypotheses Null hypothesis: That is, the proportion of men who own cats is…
Q: None
A: Detailed Answers to Hypothesis Test Questionsa. Conditions for Hypothesis TestingThe conditions for…
Q: 18% of all college students volunteer their time. Is the percentage of college students who are…
A: a. A study if 18% of all students volunteer their time and the claim of the test is the percentage…
Q: Marketers believe that 92% of adults in the United States own a cell phone. A cell phone…
A: For the given data perform z test for one proportion test
Q: Question Does college major depend on gender? Researchers ask a group of college students about…
A: The question is about categorical data analysis.Given :Hypotheses :H0 : Gender does not affect the…
Q: A car insurance company claims that 92% of its customers are happy with their service. You randomly…
A: Given, The sample proportion is,
Q: Identify the test statistic for this hypothesis test. The test statistic fc O A. -1.75 O B. -1.27 O…
A: p = 26/349 =0.075 n = 349 population proportion = 0.1
Q: Test the claim that the mean GPA of night students is significantly different than 2.5 at the 0.05…
A: Given that
Q: A data set includes 106 body temperatures of healthy adult humans having a mean of 98.9degrees°F and…
A: It is given that the sample size of the data set is 106, the mean is 98.9 and the standard deviation…
Q: Only about 11% of all people can wiggle their ears. Is this percent different for millionaires? Of…
A: As per our guidelines we are supposed to answer only 3 sub-parts of any one question so I am solving…
Q: Test the claim that the proportion of people who own cats is significantly different than 80% at the…
A: The objective of this question is to test the claim that the proportion of people who own cats is…
If you reject the null hypothesis at the 5% significance level, would you reject it at the 7% level?
Step by step
Solved in 2 steps
- suppose a hypothesis test is conducted where the level of significance a= 0.05 and the test results in p- value = 0.04 should the researcher reject the null hypothesis? A. yes because the p-value is less than a b. no should not reject because the p-value is greater than a c. no should not reject because is less than a d. yes should reject because the p-value is greater than aRECIDIVISM Report a Chi-Square test of Independence and use a 5% significance level. Explain the potential error in words, in context. Group of answer choices We would be accepting that there was an association between Recidivism and Treatment, when there was none. We would not be accepting that there was an association between Recidivism and Treatment, when there was indeed none. We would be not accepting that there was an association between Recidivism and Treatment, when there actually was one. We would be accepting that there was an association between Recidivism and Treatment, when there was indeed one.Please do not give solution in image format thanku A random sample of 100 people was asked to compare two new shopping malls – Dreamall and S- mall. 60 sample members preferred Dreamall, 35 preferred S-mall and 5 expressed no preference. What is the significance level (α) to reject the null hypothesis against a two sided alternative a 0.3 b 9 c 0.003 d 10 e 5
- ltimedia Library The accompanying table shows results of challenged referee calls in a major tennis tournament. Use a 0.05 significance level to test the claim that the gender of the tennis player is independent of whether a call is overturned. Р Click the icon to view the table. Р x=(Round to three decimal places as needed.) Determine the P-value of the test statistic. P-value = (Round to four decimal places as needed.) Use a 0.05 significance level to test the claim that the gender of the tennis player is independent of whether a call is overturned. Choose the correct answer below. O A. There is not sufficient evidence to warrant rejection of the claim that male tennis players are more successful in overturning calls than female tennis players. O B. There is not sufficient evidence to warrant rejection of the claim that the gender of the tennis player is independent of whether a call is overturned. There is sufficient evidence to warrant rejection of the claim that the gender of the…Test the claim that the proportion of people who own cats is smaller than 70% at the 0.05 significance level. Based on a sample of 100 people, 69% owned catsThe test statistic is: ? (to 2 decimals)The p-value is: ? (to 2 decimals)What is the null hypothesis, alternative hypothesis, p value, and the interpretation of the p value in our everyday words ?
- Question Help ▼ The accompanying table shows results of challenged referee calls in a major tennis tournament. Use a 0.05 significance level to test the claim that the gender of the tennis player is independent of whether a call is overturned. E Click the icon to view the table. Determine the null and alternative hypotheses. i More Info O A. Ho: Male tennis players are not more successful in overturning calls than female players. H: Male tennis players are more successful in overturning calls than female players. O B. Ho: The gender of the tennis player is independent of whether a call is overturned. Was the Challenge to the Call Successful? H: The gender of the tennis player is not independent of whether a call is overturned. No Yes Men 467 854 OC. Ho: Male tennis players are more successful in overturning calls than female players. H: Male tennis players are not more successful in overturning calls than female players. Women 223 792 O D. Ho: The gender of the tennis player is not…The school newspaper claims that 45% of SMC students have iPhones. You think it's more. You simple random sample "G" students and "L" say that they have iPhones. Is there sufficient evidence at the 5% significance level (a = .05) to indicate that the percent of students with iPhones is more than 45% Show ALL work (or tell me what you plug into your calculator). Use specific wording like we do in class. G = 120 L =_6O Ho: Ha: Test statistic: p-val: Statistical conclusion: Conclusion in plain English:help 15
- 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.Question Help ▼ Suppose 245 subjects are treated with a drug that is used to treat pain and 54 of them developed nausea. Use a 0.01 significance level to test the claim that more than 20% of users develop nausea. Identify the null and alternative hypotheses for this test. Choose the correct answer below. O A. Ho: p=0.20 H,: p#0.20 O B. Ho: p=0.20 H,:p0.20 O D. Ho:p>0.20 H,:p= 0.20 Identify the test statistic for this hypothesis test. The test statistic for this hypothesis test is (Round to two decimal places as needed.) Identify the P-value for this hypothesis test. The P-value for this hypothesis test is. (Round to three decimal places as needed,) Identify the conclusion for this hypothesis test. O A. Reject Ho. There is not sufficient evidence to warrant support of the claim that more than 20% of users develop nausea. O B. Fail to reject Ho. There is sufficient evidence to warrant support of the claim that more than 20% of users develop nausea. O C. Fail to reject Ho. There is not…Passed Failed o Results from a civil servant exam are shown in the table to the right. Is there sufficient evidence to support the claim that the results from the test are discriminatory? Use a 0.01 significance level. White 15 16 candidates Minority candidates 10 24 Determine the null and alternative hypotheses. O A. Hn: Awhite candidate is more likely to pass the test than a minority candidate H, A white candidate is not more likely to pass the test than a minority candidate. O B. Ho: White and minority candidates have the same chance of passing the test H,: White and minority candidates do not have the same chance of passing the test O C. Ho: White and minority candidates do not have the same chance of passing the test. H,: White and minority candidates have the same chance of passing the test. O D. Ho: Awhite candidate is not more likely to pass the test than a minority candidate. H: Awhite candidate is more likely to pass the test than a minority candidate. Determine the test…
