SOLUTION: A manager of a pizza parlor (which operates 7 days a week) allows each of 3 employees to select 1 day off next week. Assuming the selection is done randomly and independently. What

Algebra ->  Probability-and-statistics -> SOLUTION: A manager of a pizza parlor (which operates 7 days a week) allows each of 3 employees to select 1 day off next week. Assuming the selection is done randomly and independently. What      Log On


   

Question 975588: A manager of a pizza parlor (which operates 7 days a week) allows each of 3 employees to select 1 day off next week. Assuming the selection is done randomly and independently. What is the probability that all three select the same day, given that all three select a day beginning with the same letter?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
The possibilities revolve around Tuesday, Thursday and Saturday, Sunday.
Three employees choosing these four choices would have 4%5E3 or 64 possible outcomes.
All three choosing the same day would have 4 outcomes : Tue, Thu, Sat, Sun.
So the probability is,
P=4%2F64
highlight%28P=1%2F16%29