A passenger metal detector at Chicago’s Midway Airport gives an alarm 0.45 time a minute.

**(a)** Find the median waiting time until the next alarm. **(Round your intermediate calculations and answer to 4 decimal places.)**

Median waiting time minutes

**(b) **Find the first quartile of waiting time before the next alarm. **(Round your intermediate calculations and answer to 4 decimal places.)**

First quartile of waiting time minutes

**(c)** Find the 10th percentile waiting time until the next alarm. **(Round your intermediate calculations and answer to 4 decimal places.)**

10th percentile waiting time minutes