15a, b, c

15. Find the point estimate, the standard error, and margin of error given the confidence level, and values for x and n: a) x = 146, n = 762, confidence level 95% Point Estimate Standard Error Margin of Error b) x = 46, n = 97, confidence level 99% Point Estimate Standard Error Margin of Error c) x = 236, n = 474, confidence level 90% Point Estimate Standard Error Margin of Error