Use this table for the next to problems. Date admitted to the USA
Colony
-
Delaware
Pennsylvania
New Jersey
Georgia
Connecticut
Massachusetts
Maryland
South Carolina
New Hampshire
Virginia
New York
North Carolina
Rhode Island
Dec. 7. 1787
Dec 12. 1787
Dec. 18, 1787
Jan. 2 1788
Jan 9, 1788
Feb. 6, 1788
Apr. 28. 1788
May 23, 1788
June 21, 1788
June 25. 1788
July 26. 1788
Nov. 21, 1789
May 29, 1790
&
Use roster notation to list the elements of the set A = {cx was admitted to the USA prior to Jan
1. 1788)
B= cx was admitted in June or July} Find |B|

Which scenarios are most effectively explored by conducting an experiment? there is more than one correct answer. select all that apply. researchers want to study the effectiveness of a particular drug for treating migraines. they want to know which dosage of the drug yields the best results with the least side effects. to ensure fair results, the researchers want to ensure that participants and dosage administrators do not know which dosage participants receive. a teacher wants to plan a class fieldtrip and quickly determine where students prefer to go for the class fieldtrip. a car mechanic wants to know which of two engine brands makes better-performing engines. he wants to test the engines in identical situations and rate their performance in a way that can be fairly measured. a chemist studies the properties of a metal compound. she wants to know how the sample size of the metal affects its ability to conduct electricity. she wants to conduct the research in a controlled environment to minimize bias. a realty company wants to know the average income of its clients. the company wants to gather data income from current clients.