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A problem on regression analysis

A medical research project examined the relationship between a subject's weight and recovery time from a surgical procedure, as shown in the table below.

Given that recovery takes over 7 days, what is the probability the patient is overweight?

Answers:
73/200 =.365
200/146=1.37
146/200 = .73
27/81=.333

See word document attached for table.

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