Edward is registering for a typing class.  Below is a table of teachers and the periods they teach the typing class.  1st and 2nd period are morning classes, and 3rd and 4th period are afternoon classes.  What is the probability that Edward is assigned an afternoon class?  If a new teacher is added for 1st, 2nd and 3rd period, how does this affect Edward’s chance of having an afternoon class

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Edward is registering for a typing class.  Below is a table of teachers and the periods they teach the typing class.  1st and 2nd period are morning classes, and 3rd and 4th period are afternoon classes.  What is the probability that Edward is assigned an afternoon class?  If a new teacher is added for 1st, 2nd and 3rd period, how does this affect Edward’s chance of having an afternoon class?

Cook
Morgan
Bell
Powell
1st
X
X
X
2nd
X
X
3rd
XIXI
X
X
4th
X
X
Transcribed Image Text:Cook Morgan Bell Powell 1st X X X 2nd X X 3rd XIXI X X 4th X X
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