Posted by **Steven** on Thursday, March 28, 2013 at 6:15pm.

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.

## Answer this Question

## Related Questions

- statistics - The MacBurger restaurant chain claims that the waiting time of ...
- math - A bank wishing to determine the average amount of time a customer must ...
- Statistics - Service times for customers at a post office follow some right-...
- statistics - Waiting times at a doctor office are normally distributed with a ...
- Statistics - A random sample of 60 riders waited in line a mean time of 42 ...
- statistics - A bus company official wanted to estimate the mean time for the ...
- statistics - A random sample of size 81 is taken from a large population, ...
- statistics - 1. A random sample of size 49 is taken from a large population, ...
- statistic - The amount of time a bank teller spends with each customer has a ...
- Statistic - The amount of time it takes to take your order at the local Whaters ...