Q#44

Imagine that the regression equation for the above data were Y' = 78 + .50X (which it is not), and that the standard error of estimate is 5 (which it also is not). Assuming normality of points around the regression line, approximately what percentage of individuals who smoke 4 cigarettes per day would be expected to live longer than 85 years? (Use your knowledge of the normal curve to approximate this; you don't need a table.)

• A.

34

• B.

2

• C.

98

• D.

16

• E.

14

• F.

50

• G.

84