Confidence interval for mean

2. A physician wanted to estimate the mean length of time μ that a patient wanted to see him after arriving. A random sample of 64 patients showed a mean waiting time of 23.4 minutes and a standard deviation of 7.1 minutes. Find a 95% confidence interval for μ.

© SolutionLibrary Inc. solutionlibary.com 9836dcf9d7 https://solutionlibrary.com/statistics/hypothesis-testing/confidence-interval-for-mean-7guc