Finite Math Help!

Question

Suppose that A and B are events with Pr(AUB) = 0.6  Calculate Pr(A'∩B').   *Round your answer to the nearest decimal place.  

Answer 1

With probability problems it can help to draw a picture, and identify the area that the question is asking about.

 

See the image : http://hwmath.net/solutions/p06.jpg

 

Remember that the the probability of an event happening plus the probability of an event not happening is 1.