In a business class,33% of the students have never taken a statistics class,42% have taken only one semester of statistics,and the rest 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.What is the probability that the first group mate you meet has studied no more than one semester of statistics?
A)0.42
B)0.25
C)0.58
D)0.75
E)0.33

Question

Quizplus · Accepted Answer

The probability that the first group mate has studied no more than one semester of statistics is the sum of the probabilities of having never taken a statistics class (33%) and having taken only one semester of statistics (42%). Therefore, the probability is 33% + 42% = 75%.

In a Business Class,33% of the Students Have Never Taken