Identify if the boldface number is a parameter or a statistic. Florida has played a key role in recent presidential elections. Voter registration records in September 2019 show that 37% of Florida voters are registered as Democrats and 35% as Republicans. (Most of the others did not choose a party.) To test a random digit dialing device that you plan to use to poll voters for the 2020 presidential elections, you use it to call 250 randomly chosen residential telephones in Florida. Of the registered voters contacted, 36% are registered Democrats