Estimate the population mean by finding a 99 5 confidence interval given a sample of size 60 with a mean of 59 3 and a standard deviation of 16 6 Preliminary a Is it safe to assume that n 5 of all subjects in the population Yes No b Is n 30 Yes No Confidence Interval What is the 99 5 confidence interval to estimate the population mean Enter your answer as an open interval i e parentheses accurate to one decimal place