12) A student facing midterm exams decides to start studying in earnest. After one day in the library,- the student is dismayed to find that, at her current rate of studying, she will not be ready to take the exams until four days after they are over/ A friend volunteers to do a work sample and finds the following. Study Period Number Of Observations 1 11 2 23 3 7 Number of Observations During Which Studying Occurred 8 11 3 As a percentage of her study period time, what portion of time is she studying?."