## Math Problem of the Week - Week 22

Congratulations! You are the proud owner of a brand new restaurant called Chez Moi. Running a restaurant requires organization, creativity, and math skills.

Do some brilliant thinking and submit your answer(s).

If you get the problem right, your first name and city will be posted to the "Menu of Excellence" (look for your name at the bottom of that week's problem).

We will also track your points from week to week. Problem-solvers with the highest totals will be included (and much admired) in the Problem Solving Hall of Fame. Are you ready? Good luck!

Do some brilliant thinking and submit your answer(s).

If you get the problem right, your first name and city will be posted to the "Menu of Excellence" (look for your name at the bottom of that week's problem).

We will also track your points from week to week. Problem-solvers with the highest totals will be included (and much admired) in the Problem Solving Hall of Fame. Are you ready? Good luck!

## Math Problem of the Week 22
Jerilyn is a waitress who is having trouble showing up for work on time.
The first week, she was late four out of six days she was scheduled to work. The second week, she was late three out of six days she was scheduled to work. Based on these two weeks of data, what is the mathematical probability that Jerilyn will be on time for her next scheduled day to work? Express your answer as a percentage.Hint: Find the mean with the data given in the problem for both weeks, and be sure to answer the correct question |

Common Core Standards for this Problem: 4.MD.2, 6.RP.3. 6.SP.5

Congratulations to the following students, who solved this problem correctly:

Ian, Wichita, KS
Jacob, Wichita, KS |