Plz solve this problem A study of a drug on fighting lung cancer was performed o

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Plz solve this problem

A study of a drug on fighting lung cancer was performed over a five year period. The researchers classified the patients by the effectiveness of the drug at the end of the study. Which of the following statements best describes the relationship of this contingency table with a probability tree related to this data? Select one: a. Drawing a probability tree of status given smoking is equivalent to drawing a segmented bar chart with one bar showing the probability of status for smokers and the other representing the probability of status for non-smokers. b. Drawing a probability tree of smoking given status is equivalent to drawing two marginal bar charts, one representing the percentage by smoking and one representing the percentage by status. c. Drawing a probability tree of smoking given status is equivalent to drawing a segmented bar chart with three bars representing status, and each bar showing the percentages of smokers and non-smokers within that status. d. Drawing a probability tree of status given smoking is equivalent to drawing a car chart for the row percentages and a bar chart for the column percentages.

Explanation / Answer

c. Drawing a probability tree of smoking given stus is equivalent to drawing a segmented bar chart with three bars representing status, and each bar showing the percentages of smokers and non smokers within that status.

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