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Question 2 (1 point) Iffy'l = 0.32 ,fp'z = 0.32, and SE (161 162) = 0.43, If the null hypothesis is p1 = p2, then
Question 2 (1 point) Iffy'l = 0.32 ,fp'z = 0.32, and SE (161 162) = 0.43, If the null hypothesis is p1 = p2, then what is the test-statistic (z-score) for your test equal to? Note: 1- Only round your final answer to 2 decimal places. Enter your final answer with 2 decimal places. Your Answer: Answer Question 3 (1 point) Suppose that based on a survey conducted in BC and Ontario, 60% in BC and 54% in Ontario support the idea of carbon pricing. Suppose also that the sample sizes in BC and Ontario are 442 and 597, respectively. You want to conduct a hypothesis test to investigate if the difference in proportion of people in BC and Ontario who support carbon pricing is not equal to 9% (i.e., HA I pBC p0N 75 9%). Find the Z test statistic for this test. Note: 1- Only round your final answer to 2 decimal places. Enter your final answer with 2 decimal places. Your Answer: Answer Question 4 (1 point) If P1 = 0.47 , p2 = 0.15, and z = 0.27, and your are conducting a hypothesis test with the null hypothesis P1 = P2 by considering the different P1 - P2, then what is SE (P] - P2 ) equal to? Note: 1- Only round your final answer to 2 decimal places. Enter your final answer with 2 decimal places. Your Answer: AnswerQuestion 5 (1 point) Amy is a contestant on a singing reality tv show. Every week, the public votes for the contestant who they think should win, and the person with the least amount of votes has to leave. Amy is worried that her performance did not go well and that she might be voted off. Before the public voting officially begins, she tweets to her followers and sets up a poll where she asks them if they would vote for her or not. 5803 people respond, and out of them, 2586 say they would vote for her. Find the 95% confidence interval for the proportion of the vote Amy will get. Report the maximum proportion of voters that she can be 95% confident will vote for her. Note: 1- Only round your final answer. 2- Round your final answer to 2 decimal rm. Enter your final answer with 2 decimal place. 3- Report your proportion as a decimal number and not a percentagg. Your Answer: Question 6 (1 point) Amy is a contestant on a singing reality tv show. Every week, the public votes for the contestant who they think should win, and the person with the least amount of votes has to leave. Amy is worried that her performance did not go well and that she might be voted off. Before the public voting officially begins, she tweets to her followers and sets up a poll where she asks them if they would vote for her or not. 7700 people respond, and out of them, 3516 say they would vote for her. Find the 90% confidence interval for the true proportion of the votes that Amy will get. Report the minimum proportion of voters that she can be 90% confident will vote for her. Note: 1- Only round your final answer. 2- Round your final answer to 2 decimal m. Enter your final answer with 2 decimal place. 3- Report your proportion as a decimal number and not a percentage. Your
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