Asked by Chrissy

P(A)=0.40
P(B)=0.25
The probability of both events occurring is 0.15. What is the probability of either event occurring?

A. 0.15
B. 0.50
C. 0.65
D. 0.80

Is it D?

Answers

Answered by TutorCat
incorrect.

Law of addition:

P(A or B) = P(A)+ P(B)- P(A and B)

source:
http://www.quickmba.com/stats/probability/
Answered by Chrissy
I got b now thank you
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