(1) A marketing research company needs to estimate which of two medical plans its employees prefer. A random sample of n employees produced the 98% confidence interval(0.343,0.623) for the proportion of employees who prefer plan A. Identify the point estimate and margin of error for estimating the true proportion of employees who prefer that plan.
(2)Determine the point estimate of the population mean and margin of error for the confidence level lower bound is 17, upper bound is 29.
(1) The true estimate of the true proportion of employees who prefer plan A , is 0.483... View the full answer