SOLUTION: What is the probability of owning both a cat and a dog? I have the cat probability of 27.5% and the dog probability of 55%. However, how do I get them together? Do I just add them

Algebra ->  Probability-and-statistics -> SOLUTION: What is the probability of owning both a cat and a dog? I have the cat probability of 27.5% and the dog probability of 55%. However, how do I get them together? Do I just add them      Log On


   

Question 1037470: What is the probability of owning both a cat and a dog?
I have the cat probability of 27.5% and the dog probability of 55%. However, how do I get them together? Do I just add them? It was a total of 80 students.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
What is the probability of owning both a cat and a dog?
I have the cat probability of 27.5% and the dog probability of 55%. However, how do I get them together? Do I just add them? It was a total of 80 students.
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P(d AND c) = P(d)*P(c), if d and c are independent events.
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Your Problem:
If you assume that having a dog and a cat are independent
events, multiply the two probabilities::
0.275*0.55 = 0.15125 or 15.125%
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Cheers,
Stan H.
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