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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
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 rm. Enter your final answer with 2 decimal place. 3- Report your proportion as a decimal number and not a percentage. Your Answer: Answer Question 7 (1 point) A new railroad is proposed to be built between Canada and the USA. A survey of the opinions about this project showed a difference between the two countries in people that were in favour of this expansion. In Canada they surveyed 1142 people and found that the percentage of people in favour was 39.5%, wheras in USA they surveyed 3171 people and found it to be 37.6%.Find the upper limit of a 99% CI for the difference between the two proportions lpCanada pUSAl- Note: 1- Round any intermediate numbers to 4 decimal places. 2- Round your final answer to 3 decimal places. Enter your final answer with 3 decimal places. Your Answer: Answer Question 8 (1 point) From a survey of 252 McMaster students, you find that 55% take the bus to McMaster everyday. Construct an approximate 99% confidence interval for the true proportion p and report the lower limit of the interval (assumeZ0.005 = 2. 58). Note: 1- Your final answer should be expressed as a decimal and not a percentage. 2- Round any intermediate numbers to 4 decimal places. 3- Round your final answer to 3 decimal places. Enter your final answer with 3 decimal places. You r Answer: Answer Question 9 (1 point) The local newspaper is conducting a poll about how the residents of the city feel about the traffic during rush hour. Of 746 people polled, 66 responded that they felt that it was manageable or tolerable. Calculate the margin of error in order to find the 90% confidence interval for the proportion of people who feel that the traffic during rush hour is tolerable. Note: 1- Round any intermediate numbers to 4 decimal places. 2- Round your final answer to 3 decimal places. Enter your final answer with 3 decimal places. Your Answer: Answer Question 10 (1 point) From a survey of 238 McMaster students, you find that 40% take the bus to McMaster everyday. Find the margin of error for a 95% confidence level. Note: 1- Only round your final answer to 3 decimal places. Enter your final answer with 3 decimal places. Your
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