Posted by **K** on Wednesday, April 3, 2013 at 1:41pm.

ER promises you will be seen in 10 minutes. the standard deviation is 2 minutes. chance someone will wait more than 13 minutes.

i dont know what to do without a population size or sample size

## Answer this Question

## Related Questions

- statistics - Waiting times at a doctor office are normally distributed with a ...
- statistics - a study found that the means waiting time to see a physican at an ...
- statistics - Waiting times at a doctor office are normally distributed with a ...
- Statistics - A hospital claims that the mean waiting time at its emergency room...
- statistics - Times for a surgical procedure are normally distributed. There are ...
- Math - The mean time to complete a certain stat quiz is 25 minutes, with a ...
- Statistics - The time to fly between New York City and Chicago is normally ...
- statistics - A sample of 40 CDs from a student's collection showed a mean length...
- statistics - A researcher wants to estimate the average time (in minutes) spent ...
- statistics - A woman and her son are debating about the average length of a ...