Edward is registering for a typing class.  Below is a table of teachers and the periods they teach the typing class.  What is the probability that Edward is assigned a class with Mrs. Powell?  If a new teacher is added for 1st, 2nd, and 3rd period, how does this affect Edward’s chance of having a class with Mrs. Powell?     1st 2nd   3rd 4th Cook X       X Morgan   X     X Bell X     X   Powell X X   X

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 4ECP: Show that the probability of drawing a club at random from a standard deck of 52 playing cards is...
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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.  What is the probability that Edward is assigned a class with Mrs. Powell?  If a new teacher is added for 1st, 2nd, and 3rd period, how does this affect Edward’s chance of having a class with Mrs. Powell?
 

  1st 2nd   3rd 4th
Cook X       X
Morgan   X     X
Bell X     X  
Powell X X   X  
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