In a business class,25% of the students have never taken a statistics class,35% 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 some statistics?
A)0.65
B)0.60
C)0.35
D)0.40
E)0.75

Question

Quizplus · Accepted Answer

The probability that the first group mate has studied some statistics is 1 minus the probability that they have never taken a statistics class, which is 1 - 0.25 = 0.75.

In a Business Class,25% of the Students Have Never Taken