Multiple Choice
A professor divided the students in her business class into three groups: those who have never taken a statistics class, those who have taken only one semester of a statistics class, and those who have taken two or more semesters of statistics.The professor randomly assigns students to groups of three to work on a project for the course.
If 65% of the students have never taken a statistics class, 15% have taken only one semester of a statistics class, and the rest have taken two or more semesters of statistics, what is the probability that the first groupmate you meet has studied at least two semesters of statistics?
A) 0.20
B) 0.15
C) 0.80
D) 0.85
E) 0.35
Correct Answer:

Verified
Correct Answer:
Verified
Q94: A company that processes wheat varies the
Q174: As a result of the financial crisis
Q175: A least squares estimated regression line has
Q176: Which of the following statements about a
Q177: A real estate agency, located in a
Q178: A company counts and records the number
Q180: Suppose a school district decides to randomly
Q181: Do energy snack bars improve afternoon alertness?
Q183: A survey of investors finds that 60%
Q184: The effectiveness of three brands of stain