Answer:
this is the answer I hope it helps
x= 4,-1
C. 6,9,12 I hope this helps! :)
5 People can be chosen in 1287 ways if the order in which they are chosen is not important.
Step-by-step explanation:
Given:
Total number of students= 13
Number of Students to be selected= 5
To Find :
The number of ways in which the 5 people can be selected=?
Solution:
Let us use the permutation and combination to solve this problem
So here , n =13 and r=5 ,
So after putting the value of n and r , the equation will be
Mean = 40 median = 37.5 mode = 30