The following data describe where a set of 236 students sit in a classroom and their final grades. Answer parts a, b and c, round all answers to three decimals. Front Row Middle Row Back Row Total A 20 38 65 B 26 88 34 148 C 6 11 6 23 Total 52 137 47 236 a. What is the probability that a student has a C or sits in the back row? The probability is (Round to three decimal places as needed.) b. What is the probability that a student has a C, given they sit in the front row? The probability is (Round to three decimal places as needed.) c. What is the probability that if two students are selected without replacement that they both received B's