Given the contingency table shown here,if a survey participant is selected at random,what is the probability he/she is an undergrad who favors the change to a quarter system?
A)0.270
B)0.135
C)0.338
D)0.756

Question

Given the contingency table shown here,if a survey participant is selected at random,what is the probability he/she is an undergrad who favors the change to a quarter system? 
A)0.270 
B)0.135 
C)0.338 
D)0.756

Quizplus · Accepted Answer

To calculate the probability, we need to find the number of undergrads who favor the change to a quarter system and divide it by the total number of survey participants. Looking at the table, there are 40 undergrads who favor the change to a quarter system out of a total of 296 survey participants. Therefore, the probability is 40/296 = 0.135. So, the answer is B.

Given the Contingency Table Shown Here,if a Survey Participant Is