Suppose 80 % of kids who visit a doctor have a fever, and 25 % of kids with a fever have sore throats. What's the probability that a kid who goes to the doctor has a fever and a sore throat?

Question

Cade Delacruz

Mathematics

8 March, 18:27

Suppose 80 % of kids who visit a doctor have a fever, and 25 % of kids with a fever have sore throats. What's the probability that a kid who goes to the doctor has a fever and a sore throat?

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Betty Boop · Answer 1

So what you do is find 25% of 80% of 100%. So, 8 out of 10 kids have a fever, and 2 out of 8 kids have a sore throat. So you would have 5 out of 10 kids have a sore throat, and a fever