Astudy was completed in georgia. in northern georgia, the study involved 3,000 patients; 84% of them experienced flulike symptoms during the month of december. the study had a margin of error of 1.7%. what does that mean for the study?
the confidence interval is between 80.6% and 87.4%.
the confidence interval is between 83% and 85%.
the confidence interval is between 49.4% and 142.8%.
the confidence interval is between 82.3% and 85.7%.

Which point on the x-axis lies on the line that passes through point c and is parallel to lino ab?

Asays "we are both knaves" and b says nothing. exercises 24–31 relate to inhabitants of an island on which there are three kinds of people: knights who always tell the truth, knaves who always lie, and spies (called normals by smullyan [sm78]) who can either lie or tell the truth. you encounter three people, a, b, and c. you know one of these people is a knight, one is a knave, and one is a spy. each of the three people knows the type of person each of other two is. for each of these situations, if possible, determine whether there is a unique solution and determine who the knave, knight, and spy are. when there is no unique solution, list all possible solutions or state that there are no solutions. 24. a says "c is the knave," b says, "a is the knight," and c says "i am the spy."

Which of the points a(6, 2), b(0, 0), c(3, 2), d(−12, 8), e(−12, −8) belong to the graph of direct variation y= 2/3 x?