How many combinations of students are possible if the group is to consist of exactly 3 freshman?

Q10) How many combinations of students are possible if the group is to consist of exactly 3 freshmen? groups of 3 of the 15 students from the other classes. 5C3×15C3=4,550.

How many ways can these four classes be arranged on her schedule?

There are 16 different colored markers in the bucket. How many ways can Kelly choose five of them? How many ways are there to elect a President, Vice President, Secretary, and Treasurer, from a club with 32 members?

What is permutation and combination formula?

What is the formula for permutations and combinations? The formula for permutations is: nPr = n!/(n-r)! The formula for combinations is: nCr = n!/[r!

How do you know if it is a combination or permutation?

When the order doesn’t matter, it is a Combination. When the order does matter it is a Permutation.

How many ways can you arrange students in 3 equal groups?

There are 15! ways to line up students in a line. However, in any particular line up, the order of the students in each group does not matter. Thus, for each line up, we have 5! 5! 5! ways of arranging the students in each group. Therefore, the number of ways to arrange students in 3 equal groups is:

How many ways CAN YOU line up students in a line?

There are 15! ways to line up students in a line. However, in any particular line up, the order of the students in each group does not matter. Thus, for each line up, we have 5! 5! 5! ways of arranging the students in each group.

Should a classroom be arranged in pairs or seats?

In pairs: With the arrangement, every two desks are touching, and the teacher can still walk down rows helping students. There is also a greater chance for collaboration, and the board is still available for use. However, a couple of issues can arise including interpersonal problems and cheating concerns.

What is the best way to divide students into classes?

Arrange students alphabetically: This is a simple way that makes sense and can help you learn the students’ names. Alternate girls and boys: This is another simple way to divide a class. Allow students to choose their seats: Mark this down on an empty seating chart, and it becomes the permanent arrangement.