Welcome :: Homework Help and Answers :: Mathskey.com
Welcome to Mathskey.com Question & Answers Community. Ask any math/science homework question and receive answers from other members of the community.

13,435 questions

17,804 answers

1,438 comments

776,720 users

Find the probability of the indicated event if P (A) = 0.25 and P (B) = 0.45.

0 votes

Find the probability of the indicated event if P (A) = 0.25 and P (B) = 0.45.

P (A U B) if  A, B are mutually exclusive

asked Feb 16, 2015 in PRECALCULUS by anonymous

1 Answer

0 votes

Step 1 :

Mutually exclusive events :

If E  and F  are mutually exclusive events,

image
Step 2 :

The events are image and image.

Since A  and B  are mutually exclusive events,

image

Substitute image and image in above equation.

image

image

Solution :

image

answered Feb 16, 2015 by Thomas Apprentice

Related questions

...