Use the following table to answer questions (7)-(13). A random sample of college

Question

Use the following table to answer questions (7)-(13). A random sample of college students was asked to respond to a survey about how they spend their free time on weekends. One question, summarized in the table below, asked each respondent to choose the one activity that they are most to participate in on a Saturday morning. The activity choices were homework, housework, outside employment, recreation, or other. Total 96 104 200 Homework Housework Outside Employment Recreation Other Male Female Total 29 18 47 15 17 32 20 26 46 23 39 62 4 13

Explanation / Answer

Ans 1

P(Recreation OR other) = P(recreation)+P(other )-P(recreation and other) = (62+13-0)/200 = 0.375

Ans 11

P(Female OR homework) = P(female)+P(homework )-P(female and homework) = (104+47-18)/200 = 0.665

Ans 12

P(Male AND Homework) = 29/200 = 0.145

Ans 13

d. As the intesection of both the events is 0

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