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allsm [11]
3 years ago
9

there are 6 people in the ballot for regional judges. voters can vote for any 4. voters can choose to vote for 0,1,2,3,or 4 judg

es. I'm how many different ways can a person vote?
Mathematics
2 answers:
MrRissso [65]3 years ago
5 0

Answer:

In 517 ways

Step-by-step explanation:

There are total 6 people in ballot and voters can vote for any 4 we have following choices

Voter may not vote for anyone then^6P_0

Since, ^nP_r=\frac{n!}{(n-r)!}  and  n!=n(n-1)....1

Here, n=6 and r=0 we will get

^6P_0=\frac{6!}{(6-0)!}=\frac{6!}{6!}=1


Voter may not vote for one of them  then  ^6P_1

^6P_1=\frac{6!}{(6-1)!}=\frac{6!}{5!}=6


Voter may not vote for two of them  then  ^6P_2

^6P_2=\frac{6!}{(6-2)!}=\frac{6!}{4!}=30


Voter may not vote for three of them  then  ^6P_3

^6P_3=\frac{6!}{(6-3)!}=\frac{6!}{3!}=120


Voter may not vote for four of them  then  ^6P_4

^6P_4=\frac{6!}{(6-4)!}=\frac{6!}{2!}=360

Total ways in which a person can vote is

^6P_0+ ^6P_1+ ^6P_2+ ^6P_3+ ^6P_4

Substituting the values we will get

[tex]1+6+30+120+360=517[/text]  ways.

navik [9.2K]3 years ago
3 0

Answer:

In 360 different ways can a person vote.

Step-by-step explanation:

Total numbers of vote one can cast = 4

Number of individuals in ballot = 6

Number of distinct ways are there to form the teams for the class:

P^{n}_{k}=\frac{n!}{(n-k)!}

where = n = number of elements  = n = 6

k = number of elements choose = 4

P^{6}_{4}=\frac{6!}{(6-4)!}=360

In 360 different ways can a person vote.

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