a high school club consists of 4 freshmen, 5 sophomores, 5 juniors, and 6 seniors. What is the probability that a committee of 4 people chosen at random includes one student from each class?

4/20 reduced is 2/10 and 1/5

Step-by-step explanation:

since there are 20 students in total when u add them and their asking for the probability u would put the amount of person that would be chosen which is 4 as the numerator over the denominator 20..

6mm^3 or .6cm^3

      216

      /   \

  36     6

  /   \     /

6     6   6

factor trees are nice.

the correct option is b

step-by-step explanation: