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April 19th, 2009, 11:23 AM  #1 
Newbie Joined: Apr 2009 Posts: 5 Thanks: 0  Multiple Choice Probability Problem! This is the most confusing chapter out of all the chapters. I really appreciate it if you can help me through these problems. Thank you so much. 
April 19th, 2009, 11:33 AM  #2 
Senior Member Joined: Oct 2007 From: Chicago Posts: 1,701 Thanks: 3  Re: Multiple Choice Probability Problem!
Mutually exclusive: The events cannot happen at the same time. Complementary: The events are mutually exclusive and one of them will [i[/always[/i] happen. For number 9, they are mutually exclusive, because your roll cannot simultaneously be greater than and less than 2. Are they complementary? Is rolling a 2 included in the union of the events? (I'm giving you hints to solve it) Try working out this and the others, and show us what progress you can make, and we can try to be more specific. 
April 19th, 2009, 11:45 AM  #3 
Newbie Joined: Apr 2009 Posts: 5 Thanks: 0  Re: Multiple Choice Probability Problem!
thanks for the help. So for 10) would it be complementary because the event can happen. 11) im stuck 12) mutually exclusive 
April 19th, 2009, 12:55 PM  #4  
Global Moderator Joined: May 2007 Posts: 6,820 Thanks: 722  Re: Multiple Choice Probability Problem! Quote:
For 11: 4 is included for both so you have (c) as the correct answer.  

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