this is difficult for me please help answer

In a statistics class of 89 students, there are 34 freshmen and 55 sophomores. There are 9 freshmen who are left-handed and 12 sophomores who are left-handed. 0f the 53 right-handed students in the class, 35 are sophomores. Right-Handed Left-Handed Ambidextrous Hem... [:] C] C] [j C] C] Sophomore 10 You can leave your answers as fractions. You also don't have to reduce the fractions. (Ex. E a. If one student is selected, find the probability that the student is ambidextrous. i:] b. If one student is selected, find the probability that the student is a sophomore or the student is left- handed. D c. If one student is selected, find the probability that the student is a freshman who is right-handed. C] d. Let A be the event that the student is ambidextrous. Let B be the event that the student is a freshman. Are A and B mutually exclusive? Explain. To decide, we have to calculate Select an answer a which in this problem is equal to C] We conclude that A and B are Select an answer a , because Select an answer a