Q Math 54 Collected Work Section 4.4 Collected Work Name: Total points: 10 1. The General Social Survey asks questions about one’s happiness in marriage The result show on the table below. Male Female Total Very Happy 7,609 7,942 Pretty Happy 3,738 4,447 Not too happy 259 460 Total a. (2) How many people participated in the survey? b. (2) How many percent of people are very happy about their marriage? c. (2) Determine the proportion of males are very happy about their marriage? d. (4) Create a conditional distribution, treat gender as the explanatory variable. Then determine whether gender is associated with happiness in marriage. 1

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