four employees who work as drive-through attendants at a local fast-food restaurant are being evaluated. as part of a quality improvement initiative and employee evaluation, these workers were observed over three days. one of the statistics collected was the proportion of time the employee forgot to include a napkin in the bag. related information is given in the table.
workers: joe jan cheryl clay
dinners packed: 25 20 20 35
dinners packed w/o napkin: 6 2 10 4
picture
what is the probability that clay prepared your dinner and forgot to include a napkin?