Suppose a certain ophthalmic trait is associated with eye color. Three hundred randomly selected individuals are studied,

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Suppose a certain ophthalmic trait is associated with eye color. Three hundred randomly selected individuals are studied, with results given in the following table.
Suppose a certain ophthalmic trait is associated with eye color.

a. What is the probability that a person selected at random has blue eyes?
b. What is the probability that a person selected at random has the trait?
c. Are events A (has blue eyes) and B (has the trait) independent? Justify your answer.
d. How are the two events A (has blue eyes) and C (has brown eyes) related€”independent, mutually exclusive, complementary, or all-inclusive? Explain why or why not each term applies.

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Elementary Statistics

ISBN: 9780538733502

11th Edition

Authors: Robert R. Johnson, Patricia J. Kuby

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