SOLUTION: In class of 32 students, 16 students have cats, 8 students have dogs, and 12 students have neither. Let D= Dogs, C=Cats, N= Neither cats or dogs.

Algebra ->  Probability-and-statistics -> SOLUTION: In class of 32 students, 16 students have cats, 8 students have dogs, and 12 students have neither. Let D= Dogs, C=Cats, N= Neither cats or dogs.       Log On


   

Question 1068876: In class of 32 students, 16 students have cats, 8 students have dogs, and 12 students have neither. Let D= Dogs, C=Cats, N= Neither cats or dogs.
Answer by ikleyn(52786) About Me  (Show Source):
You can put this solution on YOUR website!
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N(C U D) = N(C) + N(D) - N(C n D).