Question

A hospital claims that the mean waiting time at its emergency room is 25 minutes. A random sample of 16 patients produced a mean wait time of 27.5 minutes with a standard deviation of 4.8 minutes. Use the 1% level of significance to test is the wait time is different from 25 minutes. Assume that wait time is normally distributed. Use the 5 step procedure.

Mar 28, 2013

60

Aug 3, 2015

Related Questions

If 20% of the people in a community use the emergency room at a hospital in one year, find the proba... The length of stay at a hospital emergency department is the sum of the waiting and service times.... Is this a correct interpretation of a confidence interval: If we were to repeat the procedure of ran... You wish to estimate the population mean emergency room wait time (in minutes) at UVA hospital. From...