Before notification of acceptance, an offeror can withdraw the offer, even if the offeror promised to keep the offer open for a specified period of time by making:

All of the following are examples of advantages of using in-home interviewing to collect research data EXCEPT:

A) it enables the interviewer to provide clarifications to the respondent, allowing for complex questions. B) it permits the use of physical stimuli and allows the interviewer to display or demonstrate the product. C) it provides very good sample control since homes can be selected without generating a list of all the homes in a given area. D) it allows for longer interviews. E) it permits easy interviewer supervision and control as the interviewers are traveling door-to-door.

A study revealed that 45% of college freshmen are male and that 18% of male freshmen earned

college credits while still in high school. Find the probability that a randomly chosen college freshman will be male and have earned college credits while still in high school. A) 0.400 B) 0.081 C) 0.027 D) 0.530