0% BIUA O O Normal text Arial 10 E- E E E 2. a t-distribution to construct a 95% contidence interval for the population mean monthly income tor aerospace engineers. 5. In a survey of 1125 adults from the United States age 65 and over, 848 were concerned about getting the flu. A. Find the point estimate for the population proportion p of those concerned about getting the flu. B. Construct a 90% confidence interval for the population proportion. C. Find the minimum sample size needed to estimate the population proportion at the 90% confidence level in order to ensure that the estimate is accurate within 4% of the population proportion. at in Question #1 above CYouilleeed the standard deviation from Part A).

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