Posted by Chrissy on Sunday, December 30, 2012 at 7:24pm.
Events A and B are mutually exclusive. The probability of event A occurring is0.15; the probability of event B occurring is 0.45; what is the probability that A and B will occur?
A.0.30
B.0.60
C.1
D.0.40
I think C am I correct?

Help Math  Steve, Sunday, December 30, 2012 at 7:28pm
surely not. A probability of 1 means it must occur.
I think you have a typo anyway. If the events are mutually exclusive, then they cannot both happen. P(A&B)=0.
On the other hand, P(A or B) = P(A)+P(B) = 0.60, or (B)

Help Math  Chrissy, Sunday, December 30, 2012 at 7:51pm
Ok thank you
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