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#1 2012-01-07 05:13:21
- juantheron
- Member
- Registered: 2011-10-19
- Posts: 312
probability on set
2)If P(AUB)=P(A∩B), Then which one is Right
(a)P(A)=P(B)
(b)P(AUB)=1
(c)P(A∩B)=1
(d)P(A)+P(B)=1
(e)none of these
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#2 2012-01-07 06:04:20
- Bob
- Administrator
- Registered: 2010-06-20
- Posts: 10,583
Re: probability on set
hi juantheron,
As you know, I like diagrams to help solve problems.
Have a look at the diagram below.
If the Union = the Intersection then the green shaded areas do not exist.
So what are you left with?
Bob
Children are not defined by school ...........The Fonz
You cannot teach a man anything; you can only help him find it within himself..........Galileo Galilei
Sometimes I deliberately make mistakes, just to test you! …………….Bob 
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#3 2012-01-08 05:29:08
- juantheron
- Member
- Registered: 2011-10-19
- Posts: 312
Re: probability on set
Thanks Bob
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