Question

A survey of 500 foreign visitors was conducted at New York’s JFK Airport. The cross-tabulation table shows the responses of these visitors when they were asked whether they agreed with the statement, “I have a generally positive view of the US.” Convertthe table to a joint probability table and use it to answer the questions below.
a. If you were to randomly select a visitor from the survey, how likely is it you would select someone from Asia?
b. If you were to randomly select a visitor from the survey, how likely is it you would select a European who responded “Disagree”?
c. If you were to randomly select a visitor from the survey, and you learn that this visitor responded “Agree” to the question, how likely is it that this visitor is from Asia?
d. Is response independent of home region? Explain.


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  • CreatedJuly 16, 2015
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