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Jenny Kitchen JK Home Insert Draw Design Layout References Mailings Review View Help IS Share Comments Confidence Intervals Quebec is a large province in eastern Canada and is the only province whose residents primarily speak French. The debate about whether the province should succeed from Canada and create their own county has ebbed and flowed over the years. In a recent survey of 3,600 Quebec residents, 26% said that Quebec should separate from Canada. In the same survey, 79% agreed that Quebec society is unique from the rest of Canada. a. Find the 90% confidence interval for the proportion of residents that would like to form their own country. | b. What does that tell us about the status of the debate? C. Find the 90% interval for the proportion of residents that believe that Quebec has a distinct society. d. What that tell us about the status of the debate? e. Overall, what does the two confidence intervals tell us about the status of the debate? f. If you increased the confidence level to 95%, would the length of the interval increase or decrease? Explain. . The researchers surveyed 3,600 Quebecers. What could the researchers do to shorten the length of confidence interval without changing the confidence level? Explain. h. If the researchers wanted to reduce the margin of error by half, how many people would they need to survey? Would that be realistic? Why or why not? ference and Hypothesis Tests Our random number table is supposed to have the numbers 0 through 1 distributed through the table with equal probability. If this is true, then the mean of all the numbers on the table will be 0.50. You want to test this claim, so you collect a sample of 100 random numbers. You find that the mean is 0.460 with a standard deviation of 0.020. a. Is this strong evidence that the mean of all the numbers on the table is not 0.50? How can you tell? We have all heard that 98.6 degrees Fahrenheit is the "normal" temperature for humans. In fact, there is some evidence that the average is slightly higher. You plan to measure the body noraturor lower than 08 6 door temperatures inneaccurately Vou bone to chow that the sinritu houn tom FOCUS 1 8 1:34 PM Accessibility: Investigate 56 F ~0 060(1). 12/15/2021 Type here to search ASUS F12