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 TABLE 4-2 \text { TABLE 4-2 } An Alcohol Awareness Task Force at a Big-Ten University Sampled

question 114

Multiple Choice

 TABLE 4-2 \text { TABLE 4-2 } An alcohol awareness task force at a Big-Ten university sampled 200 students after the midterm to ask them whether they went bar hopping the weekend before the midterm or spent the weekend studying, and whether they did well or poorly on the midterm. The following result was obtained.
 Did Well on MidtermDid Poorlyon Midterm  Studyingror Exam 8020 Went Bar Hopping 3070\begin{array}{l}\begin{array} { lcc} &\text { Did Well on Midterm}& \text {Did Poorlyon Midterm }\\\hline \text { Studyingror Exam } & 80 & 20 \\\text { Went Bar Hopping } & 30 & 70\end{array}\end{array}

-Referring to Table 4-2, what is the probability that a randomly selected student did well on the midterm and also went bar hopping the weekend before the midterm?

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