1 ). Ms. Smith has 8 grade tens and 12 grade elevens in her class. She chooses 3 of her students to receive a random prize. Create a probability distribution table where the discrete random variable, X, is the number of grade ten students chosen. 2) 3. Use Pascal's Identity to write an expression of the form (") that is equivalent to (2019) (2019) (2020) 3) 4. Given the equation tr+1 = (7)(2)7+(x)7-"(y)" , calculate the fifth term