The Arizona Republic/Morrison/Cronkite News poll published on Monday, October 20, 2016, found 390 of the registered voters surveyed favor Proposition 205, which would legalize marijuana for adults. The statewide telephone poll surveyed 779 registered voters between Oct. 10 and Oct. 15. (Sanchez, 2016) Fifty-five percent of Colorado residents supported the legalization of marijuana. Does the data provide evidence that the percentage of Arizona residents who support legalization of marijuana is different from the proportion of Colorado residents who support it. State the random variable, population parameter, and hypotheses.

1. State the random variable

2. State the population parameter

3. State the hypothesis