thank you in advance! xD

At a school, 81% of all students carry a backpack, and 62% of all students bring their lunch. 83% of all students carry a backpack or bring their lunch (or both). a. Let B be the event that a student carries a backpack. Let L be the event that a student brings their lunch. Summarize in symbols the probabilities described above. mm mm Select an answer a = 0.83 b. Find the probability that a randomly selected student does not bring their lunch. [:l c. Find the probability that a randomly selected student does not carry a backpack [:l d. Find the probability that a randomly selected student carries a backpack and brings a lunch. C] e. Determine if the events, carrying a backpack and bringing a lunch, are mutually exclusive. Explain. To decide, we have to calculate Select an answer a which in this problem is equal to C] We conclude that B and L are Select an answer a , because Select an answer a