Aresearcher would like to describe and compare the attitudes of four different ethnic groups of students at a local state college. to obtain participants for the study while ensuring sufficient numbers of participants from each of the ethnic groups, the researcher should probably use sampling.

Jonathan purchases a comic book over the phone. the store does not promise a particular time in which the comic book will be shipped to jonathan. after 40 days, the comic book has not been shipped. do state or federal laws protect jonathan's rights in this case? what is the name of the law? select the best answer from the choices provided. a. federal law; the implied warranty of merchantability b. state law; the implied warranty of merchantability c. federal law; the mail and telephone order rule d. state law; the mail and telephone order rule

If a swimmer is traveling at a constant speed of 0.85 m/s,how long would it take to swim the length of a 50m olympic sized pool?

Rational ignorance suggests that a. voters are ignorant on issues that are not of special interest to them b. voters do not pursue information about issues before voting c. low voter turnout is due to a lack of understanding of the platforms of each political party d. voters are uninterested in the electoral process