day by 11:59pm Points 10 Submitting/an external tool Question Suppose finishing time for cyclists in a race are normally distributed and have a known population standard deviation of 6 minutes and an unknown population mean, A random sample of 18 cyclists is taken and gives a sample mean of 146 minutes Find the confidence interval for the population mean with a 99% confidence level. Zo.10 Zo.05 Zo.025 Zo.01 20.005 1.282 1.645 1.960 2.326 2.576 You may use a calculator or the common z values above. .Round the final answer to two decimal places