Probability of visiting the emergency room

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Reference no: EM131816912

In a large group of Americans in 2001-2002, the probability of visiting the emergency room once in the past 12 months was 0.14, and the probability of visiting twice was 0.04.

a. What was the probability of visiting the emergency room one or two times?

b. For two randomly chosen Americans in 2001-2002, what is the probability that both visited the emergency room exactly once?

c. Explain why we cannot solve for the probability that two people chosen from the same household both visited the emergency room exactly once.

Reference no: EM131816912

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