A professor must randomly select 4 students to participate in a mock debate. There are 20 students in his class. In how many dif

Question

svp [43]

3 years ago

13

A professor must randomly select 4 students to participate in a mock debate. There are 20 students in his class. In how many dif

ferent ways can these students be selected, if the order of selection does not matter?

Mathematics

2 answers:

lina2011 [118] · Answer 1 · 2022-06-05T00:43:19+03:00

lina2011 [118]3 years ago

4 0

There are 4845 different ways he could chose the students.

Aneli [31] · Answer 2 · 2022-06-04T23:07:26+03:00

Aneli [31]3 years ago

3 0

The equation we used in this problem is the combination of probability. The formula used is "nCr = n! / r! * (n - r)!" where, n is all 20 students and r is the 4 students. Substituting the numbers we get 4845 ways.