SOLUTION: Is it D? I want to check my answer. M and N are two events P(M) = 0.60, P(N) = 0.20, and P (M and N) = 0.1. Find the probability of P (M or N). A. 0.2 B. 0.5 C. 0.6

Algebra ->  Probability-and-statistics -> SOLUTION: Is it D? I want to check my answer. M and N are two events P(M) = 0.60, P(N) = 0.20, and P (M and N) = 0.1. Find the probability of P (M or N). A. 0.2 B. 0.5 C. 0.6      Log On


   

Question 1161043: Is it D? I want to check my answer.
M and N are two events P(M) = 0.60, P(N) = 0.20, and P (M and N) = 0.1.
Find the probability of P (M or N).
A. 0.2
B. 0.5
C. 0.6
D. 0.7
The Venn diagram for the question and the question itself are provided in the link here: https://i.imgur.com/I2V5Kcl.png
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

yes, it is D

This can be easily solved if we use the formula:
P(M or N) = P(M) + P(N) - P(M and N)
Using given information, we can solve:

P(M or N) = 0.6+%2B+0.2+-+0.1
P(M or N) = 0.7