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

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

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.

Trait Yes No Total Blue 70 20 90 Eye Color Brown 30 110 140 Oher 20 50 70 Total 120 180 300

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a Pblue eyes 90300 030 b Pyes 120300 040 c If independent then PA and B PA... View full answer

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