Question 1145675
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The denominator of the probability fraction is the total number of ways of choosing 14 of the total 31 students: 31C14.<br>
For the numerator, you need to choose 2 of the 8 freshmen AND 3 of the 10 sophomores AND 4 of the 6 juniors AND 5 of the 7 seniors: (8C2)*(10C3)*(6C4)*(7C5)<br>
Use a calculator....