the probability model shows the proportion of students at a school who passed the exams for the listed subjects. a 2-column table with 4 rows. column 1 is labeled subject with entries a p stats, a p language, a p computer science, a p european history. column 2 is labeled probability with entries 0.62, 0.58, 0.31, 0.65. which statement is true about the model provided? the probability model is valid because the sum of the probabilities is 1. the probability model is not valid because the sum of the probabilities is not 1. the probability model is valid because all of the probabilities are between 0 and 1. the probability model is not valid because not all of the probabilities are between 0 and 1.