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A relationship expert is interested in the relationship between divorce and general happiness. A sample of...

A relationship expert is interested in the relationship between divorce and general happiness. A sample of 1,212 individuals who reported their marital status as either "married" or "divorced" was selected and individuals in the two groups were asked to rate their general level of happiness (either "Not Too Happy" or "Pretty/Very Happy"). The table below summarizes the data.

Group Not Too Happy Pretty/Very Happy Total
Divorced (Group 1) 60 255 315
Married (Group 2) 64 833 897

Calculate the upper bound of the 95% confidence interval for the difference between the proportion of divorced and the proportion of married persons who are "Pretty/Very Happy." Take all calculations toward the answer to four (4) decimal places, and report your answer to three decimal places.

math   Statistics-And-Probability   
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