Math
posted by Tonya .
A random sample was taken from Wyoming. Eighty percent of students reported that they like dogs, 64% reported they like cats, and 97% reported that they like dogs or cats. What percentage of students like both dogs and cats?

P(D or C) = P(D)+P(C)P(D and C)
.97 = .80 + .64  P(D and C)
P(D and C) = .47
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