1 Suppose that a high school student is preparing to take th

1. Suppose that a high school student is preparing to take the SAT exam. Briefly explain why his or her eventual SAT score is properly viewed as a random variable.

Solution

Since the score she will get is not certain, it can have any numberic value, which depends on her performance in the SAT exam, If her performance is good in SAT exam, her score will have higher value, If her performance is not good, Her score will have lesser value.

Hence the score will depend on the performance, which itself is probabilistic.

This the the reason why the score is viewed as a random variable.