B)what proportion of the ratings are from the fall semester? C)what proportion of the ratings are poor?D) what proportion of the ratings from the winter semester are excellent?E) what proportion of all the excellent ratings are from the winter semester?

LM Assignment Vretta m Vretta Question 6 of 14 In order to help new students in selecting better teachers, current students at a college rate their professors' teaching ability either as Excellent, Good or Poor. Professor Crane ratings by 150 students from winter, summer and fall last year are presented in the chart below: 30 28 25 25 23 21 20 16 Excellent Number of Students 15 Good 12 11 Poor 10 Winter Summer Fall a. Use the data on the chart to complete the following two-way table Excellent Good Poor Total Winter 0 0 0 Summer 0 Fall Total O O b. What proportion of the ratings are from the fall semester? MacBook Pro