The relationship between number of beers consumed (x) and the blood alcohol content was studied in 16 college students. The following Best-fit Line was obtained from this study.

Y' = 0.017 (x) - 0.0125

a) What will be the blood alcohol level of someone who has had 2 beers. [ 1 mark]

b) How many beers has someone had whose blood alcohol level was 0.0385 [1 mark]

c) Is this a positive or a negative relationship? [ 1 mark]