TABLE 4-2 an Alcohol Awareness Task Force at a Big-Ten-Referring to Table 4-2, What Is the Probability That a University

The Answer of TABLE 4-2 an Alcohol Awareness Task Force at a Big-Ten-Referring to Table 4-2, What Is the Probability That a University

TABLE 4-2 an Alcohol Awareness Task Force at a Big-Ten-Referring to Table 4-2, What Is the Probability That a University

The Answer of TABLE 4-2 an Alcohol Awareness Task Force at a Big-Ten-Referring to Table 4-2, What Is the Probability That a University

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TABLE 4-2
an Alcohol Awareness Task Force at a Big-Ten

Question 49

Multiple Choice

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.
$\begin{array}{l}\begin{array} { lcc} &\text { Did Well on Midterm}& \text {Did Poorlyon Midterm }\\\hline \text { Studyingror Exam } & 80 & 20 \\\text { Went Bar Hopping } & 30 & 70\end{array}\end{array}$

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

A) 30/200 or 15%
B) (30 + 70) /200 or 50%
C) (80 + 30 + 70) /200 or 90%
D) (80 + 30) /200 or 55%

TABLE 4-2 an Alcohol Awareness Task Force at a Big-Ten

Multiple Choice

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TABLE 4-2
an Alcohol Awareness Task Force at a Big-Ten

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