In a city, 40% of the population have brown hair, 25% have brown eyes and 15% have both brown hair and eyes. A person is chosen at random. a. If they have brown hair, what is the probability that they also have brown eyes? b. If they have brown eyes, what is the probability of them not having brown hair? c. What is the probability of them having neither brown hair nor brown eyes?
In a city, 40% of the population have brown hair, 25% have brown eyes and 15% have both brown hair and eyes. A person is chosen at random. a. If they have brown hair, what is the probability that they also have brown eyes? b. If they have brown eyes, what is the probability of them not having brown hair? c. What is the probability of them having neither brown hair nor brown eyes?
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter12: Probability
Section12.CR: Chapter 12 Review
Problem 7CR
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In a city, 40% of the population have brown hair, 25% have brown
eyes and 15% have both brown hair and eyes. A person is chosen at random.
a. If they have brown hair, what is the
eyes?
b. If they have brown eyes, what is the probability of them not having brown
hair?
c. What is the probability of them having neither brown hair nor brown eyes?
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