Guided Homework - Module 3 Saved Help Save & Exit Submit 9 The shoplifting sensor at a certain Best Buy exit gives an alarm 0.23 time a minute. (a) Find the median waiting time until the next alarm. (Round your intermediate calculations and answer to 4 decimal places.) 0.15 points Median waiting time minutes Print (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