The General Social Survey has asked respondents,

“Do you think the use of marijuana should be made legal or not?” View results for all years at sda.berkeley.edu/GSS by entering the variables GRASS and YEAR.

(a) Of the respondents in 2014, what proportion said legal and what proportion said not legal?

(b) Is there enough evidence to conclude whether a majority or a minority of the population support legalization?

Explain your reasoning.

(c) Describe any trend you see since about 1986 in the proportion favoring legalization.