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Mathematics, 21.04.2020 16:52 tyijiapostell
When a survey asked subjects whether they would be willing to accept cuts in their standard of living to protect the environment, 387 of 1160 subjects said yes. a. Find the point estimate of the proportion of the population who would answer yes. b. Find the margin of error for a 95% confidence interval. c. Construct the 95% confidence interval for the population proportion. What do the numbers in this interval represent? d. State and check the assumptions needed for the interval in (c) to be valid.
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