Four employees who work as drive-through attendees a local fast food restaurant are being evaluated. As part of quality control improvement initiative and employee evaluation these employees were observed over 3 days. One of the statistics collected is the porportion of time employees forget to include a napkin in the bag. Below is the statistics collected:

Employee. %Dinners packed. %of forgotten napkins
Joe. 25% 6%
Jan. 20% 2%
Cheryl. 20% 10%
Clay. 35% 4%

A. What is the probability that there is no napkin included for a given order?

B. You just purchase a dinner and found that there is no napkin in your bag, what is the probability that Jan prepared your order