P(GPA is between 2 and 3 given Under class) =P(between 2 and 3 and under class)/P(under class)
=0.090/(0.338+0.090+0.103)= 0.169
A statistics professor classifies his students according to their grade point average (GPA) and their class...
Alatistics professor classifies his students according to their grade point average (GPA) and their class rank. GPA is on a 0.0-4.0 scale and class rank is defined as the under class of eshmen and sophomorest and the upper class unitors and seniors One student is selected at random Class Upper Under Under 2.0 0.117 0.338 GPA 20.30 0207 0.000 Over 10 0.145 0.103 What is the probability that the student is in the upper class and has GPA under 2.0?...
(1 point) This problem involves the career plans of students in a biology class. Assume that the class consists of 40 percent freshmen, 25 percent sophomores, 20 percent juniors, and 15 percent seniors. Assume further that 55 percent of the freshmen, 40 percent of the sophomores, 25 percent of the uniors, and 30 percent of the seniors plan to go to medical school. One student is selected at random from the class. (1) What is the probability that the student...