Probability and Statistics Basic Probability and Statistics Math Forum

 April 27th, 2018, 04:34 PM #1 Member   Joined: Apr 2017 From: India Posts: 73 Thanks: 0 Please help and explain. Confused There are two mutually exclusive events A and B with P(A)=0.7 and P(B)=0.6. Find the probability of following: i) A and B both occur ii) Both A and B does not occur iii) Either A or B does not occur
 April 27th, 2018, 05:01 PM #2 Senior Member   Joined: Feb 2016 From: Australia Posts: 1,834 Thanks: 650 Math Focus: Yet to find out. Did you copy the question correctly?
 April 27th, 2018, 05:09 PM #3 Member   Joined: Apr 2017 From: India Posts: 73 Thanks: 0 Yes, I copied it correctly. I also know that this question is my assignment question and can have out of the box answer too. Because as far as I know for Mutually exclusive events A and B, P(A union B) = P(A) + P(B). But it is exceeding one over here. Please let me know if this question is incorrect, then on what grounds and if correct, then on what grounds.
 April 27th, 2018, 05:50 PM #4 Math Team   Joined: Dec 2013 From: Colombia Posts: 7,675 Thanks: 2655 Math Focus: Mainly analysis and algebra It is incorrect exactly as you point out.

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