In a survey of 2570 adults in a recent year, 1383 say they have made a New Year's resolution. Construct 90% and 95% confidence intervals for the population proportion. Interpret the results and compare the widths of the confidence intervals. The 90% confidence interval for the population proportion p is D (Round to three decimal places as needed.)

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Q: If n = 600 and ˆpp^ (p-hat) = 0.25, construct a 95% confidence interval.

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Q: Also compute 99% Confidence interval

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Q: how do I use statcrunch to form a​ 90% confidence interval for variance

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