A town has 30,000 registered voters of whom 12,000 are Democrats. A survey organization takes a random sample of 1,000 voters of whom 330 are Democrats.
Match each phrase with a number given below. Some numbers may be used multiple times. Others may not get used at all.

(a) 33% (b) 40% (c) 1.5% (d) 30,000 (e) 1,000

1. parameter
2. denominator of statistic
3. observed value of statistic
4. standard error of statistic
5. expected value of statistic

Given: lines a and b are parallel and line c is a transversal. prove: 2 is supplementary to 8 what is the missing reason in the proof? statement reason 1. a || b, is a transv 1. given 2. ∠6 ≅ ∠2 2. ? 3. m∠6 = m∠2 3. def. of congruent 4. ∠6 is supp. to ∠8 4. def. of linear pair 5. ∠2 is supp. to ∠8 5. congruent supplements theorem corresponding angles theorem alternate interior angles theorem vertical angles theorem alternate exterior angles theorem