# mutually exclusive event!

• May 23rd 2012, 08:09 AM
lawochekel
mutually exclusive event!
if A and B are mutually exclusive event with p(A)=0.35 and p(B)=0.45, find $p(A^c n B^c)$

i got 0.8, am i right? if no pls help with best technique to solve this problem, thanks.
• May 23rd 2012, 08:15 AM
Plato
Re: mutually exclusive event!
Quote:

Originally Posted by lawochekel
if A and B are mutually exclusive event with p(A)=0.35 and p(B)=0.45, find $p(A^c n B^c)$

i got 0.8, am i right? if no pls help with best technique to solve this problem, thanks.

No it is not correct.

A and B are mutually exclusive events so $P(A\cup B)=0.8$