Help math corrections: Probability of event A given B is 0.4

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KJG2012

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Jun 16, 2013
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Probability of event A given B is 0.4
probability of B is 0.8
If the probability of A is 0.5
What is the probability of A union B?

I know the correct answer is 0.98 but how do you come to that conclusion????



Thanks!
 
KJG2012 said:
Probability of event A given B is 0.4
probability of B is 0.8
If the probability of A is 0.5
What is the probability of A union B?

I know the correct answer is 0.98 but how do you come to that conclusion????



Thanks!
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You have posted 5 problems, without showing one line of work.

Please share your work with us.

You need to read the rules of this forum. Please read the post titled "Read before Posting" at the following URL:

http://www.freemathhelp.com/forum/th...217#post322217

We can help - we only help after you have shown your work - or ask a specific question (e.g. "are these correct?")
 
That is why I am posting... I dont know how to do the work to get to the answer.
 
If this is homework and you honestly have no idea how to even start this, you need more help than we can give- talk to your teacher about this.
 
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