An Airline Wants to Monitor the Performance of Their Baggage $\sigma$

An airline wants to monitor the performance of their baggage handling crew on the daily flight from Syracuse to Boston that is always filled to its 140 passenger capacity. They track the number of passengers that lose bags each flight for a two week period. The data are displayed in the following table.

-Calculate $\sigma$ _P, the mean percent defective for all samples collected.

A) 0.0148
B) 0.0760
C) 0.2844
D) 0.0316
E) 0.0000