cannot figure out question 13 and 15. please help. i will rate you high fast.

C vvs-moodle.phrd.ab.c For a program at SAIT, a student must take an English course. The student must also take any 4 of the following courses: Question 13 Math, Chemistry, Physics, Psychology, Biology, and French. The number of possible 5-course programs that a student could Not yet answered take to complete this program is Marked out of 1.00 Select one: Remove O a. Ps flag O b. PA O c. *5 O d. 64 Clear my choice -ople Question 14 TV NOlucy DICE are Not ans SE M 4:30 1.0 Flag qu 36. Question 15 Devyn has a bag of marbles containing red, blue, and black marbles. Not yet answered . The odds that a marble is red are 1:2 The odds that a marble is blue are 2:13 Marked out of 1.00 The odds that a marble is black are 8:7 Remove If each time Devyn pulls a marble out of the bag he then replaces it, the probability that he pulls out a blue marble then not flag a red marble is Select one: O a. 0.044 O b. 0.089 O c. 0.308 O d. 0.077