To determine whether drinking alcoholic beverages has an effect on the bacteria that cause ulcers, researchers developed

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To determine whether drinking alcoholic beverages has an effect on the bacteria that cause ulcers, researchers developed the following table of joint probabilities.

Number of Alcoholic Drinks per Day Ulcer No Ulcer None .01 .22 One .03 .19 Two .03 .32 More than two .04 .16

a. What proportion of people have ulcers?

b. What is the probability that a teetotaler (no alcoholic beverages) develops an ulcer?

c. What is the probability that someone who has an ulcer does not drink alcohol?

d. What is the probability that someone who has an ulcer drinks alcohol?

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Statistics For Management And Economics

ISBN: 9781133420774

9th Edition

Authors: Gerald Keller, Kenneth C Louden

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Question Posted: Jul 01, 2024 11:05 AM

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To determine whether drinking alcoholic beverages has an effect on the bacteria that cause ulcers, researchers developed

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Statistics For Management And Economics

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