SOLUTION: Out of 50 people, 31 drink tea, 20 drink coffee, and 6 drink both tea AND coffee. What is the probability that a person who is chosen randomly drinks tea OR coffee?

Question 1180896: Out of 50 people, 31 drink tea, 20 drink coffee, and 6 drink both tea AND coffee.
What is the probability that a person who is chosen randomly drinks tea OR coffee?
Answer by ikleyn(52798) (Show Source): You can put this solution on YOUR website!
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Out of 50 people, 31 drink tea, 20 drink coffee, and 6 drink both tea AND coffee.
What is the probability that a person who is chosen randomly drinks tea OR coffee?
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    P(tea OR coffee) = P(tea) + P(coffee) - P(tea AND coffee) =  =  =  =  =  = 0.9 = 90%.    ANSWER

Solved.

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