Answer Happy

State which type of parameter is to be estimated, and the correct method for the following. Do not solve. Part 1 of 3 (a) In a simple random sample of 490 voters, 235 said that they were planning to vote for the incumbent mayor in the next election. Construct a 99% confidence interval for the proportion of voters who plan to vote for the incumbent mayor in the next election. The parameter is the population proportion mean The correct method to find the cproportion standard deviation. variance t ▼method. olo 5
(b) A simple random sample of size 35 has mean x = 3.07 and standard deviations = 1.67. Construct a 98% confidence interval for the population mean. The parameter is the population mean mean The correct method to find the cproportion standard deviation variance t ▼method. X