In how many ways can a president and a vice president be randomly selected from a class of 20 students?

Question

asked Mar 12, 2021 155k views

1 Answer

Sisi Mendel · Answer 1 · 2021-03-19T02:51:24+0000

Answer:

n how many ways can a president, vice president, and a secretary be chosen? It is 12X11X10. Permutation of n things taken r at a time: nPr=n!/(n-r)! 12P3=12*11*10*9!/9!= 12*11*10=1320 ways.

Explanation:

In how many ways can a president and a vice president be randomly selected from a class of 20 students?

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

Please log in or register to add a comment.

No related questions found

Categories

Other Questions