Simret Simret M Re: Hel M Inbox You are Desmo M (no sub Simret Course G Suppos courses/2507123/assignments/33605628 )554 > Assignments > Homework for Section /.2 Homework for Section 7.2 Due Aug 23 by 11:59pm Points 48 Submitting an external tool Homework for Section 7.2 Score: 3/48 Answered: 1/12 Question 1 In a recent Super Bowl, a TV network predicted that 31 % of the audience would express an interest in seeing one of its forthcoming television shows. The network ran commercials for these shows during the Super Bowl. The day after the Super Bowl, and Advertising Group sampled 133 people who saw the commercials and found that 47 of them said they would watch one of the television shows. Suppose you have the following null and alternative hypotheses for a test you are running: Ho : p = 0.31 Ha : p egator.greenriver.edu/courses/2507123/assignments/33605628 Question 10 Summer 2024 Evolution and Scientists. A professor claims that more than 80% of all scientists believe in evolution. In a Home 2014 Pew Research survey of a representative sample of 169 scientists connected to the American Association for the Advancement of Science (AAAS), 152 of these scientists say they believe in evolution. Announcements Perform a hypothesis test of the professor's claim using these data. Assignments (a) Select the correct null and alternative hypotheses. Discussions OHo: P = 0.9 Grades Ha: P 0.9 Pages O Ho: P = 0.8 Ha: P > 0.8 Files OHo: P = 0.8 Syllabus Ha: P * 0.8 OHo: P = 0.9 Quizzes Ha: P = 0.9 Modules OHo: P = 0.8 Ha: P Next question Get a similar question You can retry this question below Suppose are running a study/poll about the proportion of men over 50 who regularly have their prostate examined. You randomly sample 87 people and find that 38 of them match the condition you are testing. Suppose you have the following null and alternative hypotheses for a test you are running: Ho : p = 0.48 Ha : p > 0.48 ns Calculate the test statistic, rounded to 3 decimal places 2 = cordings Submit Question Jump to Answer unseling ary rvices gister? al pport OneDrive Simret Belay Re.docx Introductory,mp4.zip Simret_Belay (5).pdf Introductory (1).mp4 Simret_Belay_.pdf2 10 x @ Section x G You are x G Suppox | Desmc x |Mi Your D X | M Re: He x |M Inbox ( x * Homey x Unit4 x C Them x E Round x ator.greenriver.edu/courses/2507123/assignments/33605628 2024 Presidential Poll. A research group suspects that less than 48% of Americans support the Republican presidential candidate. To test this claim, they randomly call Americans until they get 1000 responses. Of the 1000 people who responded, 435 of them say they support the Republican presidential candidate. Test the research group's suspicion at a 5% level of significance. incements (a) Select the correct null and alternative hypotheses. ments OHo: P = 0.435 ssions Ha: P > 0.435 O Ho: P = 0.435 Ha: P * 0.435 O Ho: P = 0.435 Ha: P 0.48 iles ueButton borations (b) Find the p-value (round to four decimal places). pto Recordings (c) Write the final conclusion using everyday language. There is sufficient evidence to reject the group's suspicion. onal Counseling There is not sufficient evidence to reject the group's suspicion. an Library There is not sufficient evidence to support the group's suspicion ring Services There is sufficient evidence to support the group's suspicion. d to Register? oursEval (d) What are some aspects of this poll that might bias the results? (Select all that apply) Phone and email surveys are susceptible to non-response bias. lent Support 1000 is too small of sample size. osoft OneDrive The sampling is voluntary not simple random. ges If the candidate is controversial, responders may wish to remain anonymous. 3)...pdf Simret_Belay_.pdf Simret_Belay (5).pdf Introductory (1).mp4 Introductory.mp4.zip Simret Belay Re..doc MacBook Pro C G Search or type URL2 10 x @ Section x G You are x G Suppox | Desmc x |Mi Your D X | M Re: He x |M Inbox ( x * Homey x Unit4 x C Them x E Round x ator.greenriver.edu/courses/2507123/assignments/33605628 2024 Presidential Poll. A research group suspects that less than 48% of Americans support the Republican presidential candidate. To test this claim, they randomly call Americans until they get 1000 responses. Of the 1000 people who responded, 435 of them say they support the Republican presidential candidate. Test the research group's suspicion at a 5% level of significance. incements (a) Select the correct null and alternative hypotheses. ments OHo: P = 0.435 ssions Ha: P > 0.435 O Ho: P = 0.435 Ha: P * 0.435 O Ho: P = 0.435 Ha: P 0.48 iles ueButton borations (b) Find the p-value (round to four decimal places). pto Recordings (c) Write the final conclusion using everyday language. There is sufficient evidence to reject the group's suspicion. onal Counseling There is not sufficient evidence to reject the group's suspicion. an Library There is not sufficient evidence to support the group's suspicion ring Services There is sufficient evidence to support the group's suspicion. d to Register? oursEval (d) What are some aspects of this poll that might bias the results? (Select all that apply) Phone and email surveys are susceptible to non-response bias. lent Support 1000 is too small of sample size. osoft OneDrive The sampling is voluntary not simple random. ges If the candidate is controversial, responders may wish to remain anonymous. 3)...pdf Simret_Belay_.pdf Simret_Belay (5).pdf Introductory (1).mp4 Introductory.mp4.zip Simret Belay Re..doc MacBook Pro C G Search or type URLx Section X G You are X G Suppox |Desmo x M Your D X Mi Re: He X M Inbox ( x * Homev x Unit4- x | C The mc x greenriver.edu/courses/2507123/assignments/33605628 Gun ownership. A friend read online that 38% or less Americans have a gun in their household. I claim that the percent of Americans that have a gun in their household is actually greater than 38%. To test this claim, I survey 200 random Americans and find that 88 of them have a gun in their household. At the .05 alpha level, what should I conclude about my claim? ements (a) Select the correct null and alternative hypotheses. ents O Ho: P = 0.38 ins Ha: P > 0.38 2 O Ho: P = 0.44 Ha: P 0.44 O Ho: P = 0.38 Ha: P * 0.38 O Ho: P = 0.44 Ha: P = 0.44 Button rations (b) Find the p-value (round to four decimal places). Recordings (c) Write the final conclusion using everyday language using a 5% level of significance. There is not sufficient evidence to reject my claim. Counseling There is not sufficient evidence to support my claim. Library There is sufficient evidence to reject my claim. g Services There is sufficient evidence to support my claim. o Register? Submit Question Jump to Answer ursEval t Support soft OneDrive ..pdf Simret_Belay_.pdf Simret_Belay (5).pdf Introductory (1).mp4 Introductory.mp4.zip Simret Belay MacBook Pro10 0 Section X G You are X G Suppos X |Desmo X M Your D X M Re: He X M Inbox( X * Homey X * Unit4 x C The eenriver.edu/courses/2507123/assignments/33605628 Question 3 You are conducting a study to see if the probability of a true negative on a test for a certain cancer is significantly less than 0.31. You use a significance level of a = 0.05. ants Ho : p = 0.31 H1 : p 0.4 O Ho : p = 0.4 H1 : p 0.4 tions The test is: Recordings left-tailed two-tailed right-tailed Counseling ibrary The test statistic is: (to 3 decimals) Services egister? The p-value is: (to 4 decimals) Eval Based on this we: O Reject the null hypothesis upport O Fail to reject the null hypothesis OneDrive Submit Question Jump to Answer Simret_Belay_.pdf Simret_Belay (5).pdf Introductory (1).mp4 Introductory.mp4.zip Simret Belay Re....do MacBook Pro C G Search or type URL +Section X G You are X G Suppox Desmc X M Your D X M Re: He X Mi Inbox | X * Homer x * Unit4- x C Them x | Round x enriver.edu/courses/2507123/assignments/33605628 Question 6 Cereal for Breakfast. A cereal company announced 70% of Americans start the day with cereal for breakfast. You believe the percentage of Americans that start the day with cereal is less. To test your nts claim, you randomly sample 100 Americans and ask them what they eat for breakfast. 65 of them say cereal. Test your claim that percent of Americans that start the day with cereal for breakfast is less than 70% at a 5% level of significance. (a) Select the correct null and alternative hypotheses. O Ho: P = 0.7 Ha: P > 0.7 OHo: P = 0.7 Ha: P 0.65 O Ho: P = 0.65 Ha: P * 0.65 ordings (b) Find the p-value (round to four decimal places). Inseling (c) Write the final conclusion using everyday language. There is sufficient evidence to support your claim. ices There is not sufficient evidence to reject your claim. There is not sufficient evidence to support your claim. ister? O There is sufficient evidence to reject your claim. port Submit Question Jump to Answer heDrive Simret_Belay_.pdf Simret_Belay (5).pdf Introductory (1).mp4 Introductory.mp4.zip Simret Belay Re.docx MacBook Pro C G Search or type URL +Section X G You are X G Suppos x Desmo X M Your D X Mi Re: He x | Mi Inbox ( x * Homer x | Unit4- x | C Them x | E R r.greenriver.edu/courses/2507123/assignments/33605628 Question 7 Presidential Poll. A research group suspects that less than 48% of Americans support the Republican presidential candidate. To test this claim, they randomly call Americans until they get 1000 responses. Of cements the 1000 people who responded, 435 of them say they support the Republican presidential candidate. Test the research group's suspicion at a 5% level of significance. ents (a) Select the correct null and alternative hypotheses. ons O Ho: P = 0.435 Ha: P > 0.435 O Ho: P = 0.435 Ha: P * 0.435 OHo: P = 0.435 Ha: P 0.48 ations (b) Find the p-value (round to four decimal places). Recordings Counseling (c) Write the final conclusion using everyday language. There is sufficient evidence to reject the group's suspicion. Library There is not sufficient evidence to reject the group's suspicion. Services There is not sufficient evidence to support the group's suspicion Register? There is sufficient evidence to support the group's suspicion. sEval Support (d) What are some aspects of this poll that might bias the results? (Select all that apply) ft OneDrive Phone and email surveys are susceptible to non-response bias. 1000 is too small of sample size. The sampling is voluntary not simple random. Simret_Belay_.pdf Simret_Belay (5).pdf Introductory (1).mp4 Introductory.mp4.zip Simret Belay Re MacBook ProX Section X G You are X G Suppos x |Desmo x M Your D X M Re: He X Mi Inbox ( X * Homev x * Unit4 x C The .greenriver.edu/courses/2507123/assignments/33605628 Homework for Section 7.2 Score: 0/48 Answered: 2/12 Question 9