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Mathematics 16 Online
OpenStudy (anonymous):

Can someone help me with a multi step problem?

OpenStudy (anonymous):

What is the problem?

OpenStudy (anonymous):

@amistre64 :3

OpenStudy (amistre64):

what would you suggest we do for the first part?

OpenStudy (anonymous):

wrong question 1st..

OpenStudy (anonymous):

Could do up until here

OpenStudy (anonymous):

My textbook doesn't do a very good job of explaining this part

OpenStudy (amistre64):

i got no idea what thats talking about :/ use the "help me solve this" option on the right side there and it will step you thru it with explanation. if i knew your book and chapter, i might be able to access a simliar question on interact.com

OpenStudy (anonymous):

My book is Using and Understanding Math 5e

OpenStudy (anonymous):

Author: Bennett

OpenStudy (anonymous):

CHapter 12A

OpenStudy (amistre64):

http://interactmath.com/Exercises.aspx?chapterId=12&sectionId=1&objectiveId=-1 well, it has the book and chapter :)

OpenStudy (anonymous):

yayay

OpenStudy (amistre64):

question 16 looks like yours

OpenStudy (anonymous):

You are looking at Chapter 12: Section A?

OpenStudy (amistre64):

yes

OpenStudy (amistre64):

i added up the votes, and the plurality is the top of the most votes im not to the runoff yet

OpenStudy (anonymous):

which excercise did u click on?

OpenStudy (anonymous):

im here :

OpenStudy (amistre64):

exercise 31

OpenStudy (anonymous):

That doesn't look like what im working on..

OpenStudy (amistre64):

since 38/82 is less then 50% A was not your majority

OpenStudy (anonymous):

ah i understand that part but now for the top two candidates.

OpenStudy (amistre64):

for a single runoff, the 2 candidates with the most 1stplace votes have a runoff, the winner wins the election ...

OpenStudy (amistre64):

38 for A versus 29 for B; the difference is what .. 9 votes?

OpenStudy (anonymous):

Yeah 9

OpenStudy (amistre64):

sorry, that thought was not good, it yelled at me lol

OpenStudy (anonymous):

What yelled at u? the asnwer?

OpenStudy (amistre64):

the program said i did it wrong .. then told me how to get the correct result. Im working the "help me solve this" option count all the columns where A is ahead of B in your question

OpenStudy (anonymous):

ONly once

OpenStudy (anonymous):

38 people?

OpenStudy (amistre64):

you notice that our top candidates are A and B A is picked 38 times over B B is picked 29+15 times over A; of 44 times over A right?

OpenStudy (anonymous):

Ok

OpenStudy (amistre64):

since B takes 44 votes overall, and A takes 38 votes overall .. who wins?

OpenStudy (anonymous):

candidate b is the winner of the tip two run of?

OpenStudy (amistre64):

yes

OpenStudy (amistre64):

do you see why?

OpenStudy (anonymous):

cuz has more over all votes?

OpenStudy (amistre64):

those who voted for D have to choose between A and B since those who voted for D chose B over A; then D votes are added to B votes

OpenStudy (anonymous):

Then to find winner by sequential run off , meaning it eliminates the candidate with the fewest 1st place votes?

OpenStudy (anonymous):

Then to find winner by sequential run off , meaning it eliminates the candidate with the fewest 1st place votes?

OpenStudy (amistre64):

yeah, im getting yelled at on that one too lol

OpenStudy (anonymous):

u put wrong answer?

OpenStudy (amistre64):

who wins the 5th place votes?

OpenStudy (anonymous):

A?

OpenStudy (amistre64):

read that wrong still .... the candidates that were not chosen for the first place spots (3 win, and 2 arent even left in the running) are C and E ... right?

OpenStudy (anonymous):

uh yeah i think so

OpenStudy (amistre64):

How many 1st place votes does A get? How many 1st place votes does B get? How many 1st place votes does C get? How many 1st place votes does D get? How many 1st place votes does E get?

OpenStudy (anonymous):

38 1st place votes A got?

OpenStudy (anonymous):

IM having trouble understanding the chart

OpenStudy (amistre64):

just read the number off the bottom to determine how many votes the top row received

OpenStudy (anonymous):

38

OpenStudy (amistre64):

How many 1st place votes does A get? 38 How many 1st place votes does B get? 29 How many 1st place votes does C get? 0 How many 1st place votes does D get? 15 How many 1st place votes does E get? 0 since C and E are tied with 0 first place votes, erase them from the matrix 1 A B D 2 D A B 3 B D A 38 29 15 you agree?

OpenStudy (anonymous):

ok i follow that

OpenStudy (anonymous):

So, the sequential run off gives a tie among A and B?

OpenStudy (amistre64):

now we run it again A get 38 B gets 29 D gets 15 <-- D loses

OpenStudy (amistre64):

1 A B B 2 B A A 38 29 15 A = 38 <-- loses B = 29+15 = 44 run again 1 B B B 38 29 15 B wins again

OpenStudy (amistre64):

might have that wrong too

OpenStudy (anonymous):

B keeps winning!

OpenStudy (amistre64):

A has 38 while B has at most 30 is what it looks to be yelling about ...

OpenStudy (amistre64):

A has at most 38, B has at most 29 ..cant type

OpenStudy (amistre64):

ugh ... I simply clicked the wrong one ... ; yeah, B wins the most votes

OpenStudy (anonymous):

So its the winner by sequential run off is A?

OpenStudy (amistre64):

no, B i just hit the wrong option and it yelled at me and I was trying to figure out why it would be yelling at me lol

OpenStudy (anonymous):

wait like option B or candiadate B

OpenStudy (amistre64):

well, since i got no idea what your options are .... im addressing this in terms of candidate

OpenStudy (anonymous):

The winner by sequential run off is B

OpenStudy (amistre64):

yep

OpenStudy (amistre64):

now what is a Borda count?

OpenStudy (anonymous):

now we have to find the borda count winner

OpenStudy (amistre64):

any idea on how this system works?

OpenStudy (amistre64):

5 places gives us point values from 1 to 5 position in a column gives us a point value, and number of votes is a mulitpler A 5 3 1 B 2 5 3 C 3 2 4 D 4 1 5 E 1 4 2 38 29 15 A = 38(5) + 29(3) + 1(15) B = 38(2) + 29(5) + 1(3) etc ...

OpenStudy (anonymous):

Aggggggggh

OpenStudy (amistre64):

yeah, i hear ya .... this is just plain brutal. something called pairwise comparison is next that might take years to complete ...

OpenStudy (anonymous):

SO in order to find out the winner by a borda count i have to do that for each candidate?

OpenStudy (amistre64):

yes .... vote count times placement value, plus the next and the next

OpenStudy (amistre64):

which is why i just made a matrix write up of it ...

OpenStudy (anonymous):

So c= 38(3)+29(2)+1(4)?

OpenStudy (amistre64):

correct

OpenStudy (amistre64):

do you see where i get the numbers from tho? thats the key to the borda method

OpenStudy (anonymous):

not really

OpenStudy (anonymous):

oh its how many 1st place votes

OpenStudy (amistre64):

think of it like this; you get money depending on which position you come in at; first position gets $5 per vote, second position gets $4 per vote, etc ... down to last position gets $1 per vote. tally up the postions by how many votes they get in that position and add up the money

OpenStudy (amistre64):

A gets 38 first place votes: 38(5) A gets 29 third place votes: 29(3) A gets 15 fifth place votes: 15(1) A gets how much money total? 38(5)+29(3)+15(1) then calculate the winnings for all the other candidates and see who gets the most money

OpenStudy (anonymous):

A= 237 B= 124 C=176 D= 186 E=156

OpenStudy (amistre64):

i think your numbers are alittle off, but thats expected from so much calculations

OpenStudy (amistre64):

A= 292 B= 266 C= 232 D= 256 E= 184

OpenStudy (anonymous):

A= 38(5)+29(3)+1(15) B= 38(2)+29(5)+1(3) C= 38(3)+29(2_+1(4) D= 38(4)+29(1)+1(5) E= 38 (4)+29(4)+1(2) ?

OpenStudy (amistre64):

third column has 15 votes, not 1 vote A= 38(5)+29(3)+15(1) B= 38(2)+29(5)+15(3) C= 38(3)+29(2)+15(4) D= 38(4)+29(1)+15(5) E= 38 (4)+29(4)+15(2) ^^^ and E has a 1 there, since they came in last place

OpenStudy (anonymous):

237, 266,232,256,298?

OpenStudy (amistre64):

not quite ... your still hitting some wrong key i think

OpenStudy (amistre64):

A= 292 B= 266 C= 232 D= 256 E= 184

OpenStudy (anonymous):

yeah i was typing something wrong lol

OpenStudy (anonymous):

wait for E im getting 298

OpenStudy (anonymous):

38(4)+29(4)+15(2)

OpenStudy (amistre64):

E= 38(1)+29(4)+15(2)

OpenStudy (amistre64):

E came in last place ($1) at 38 votes

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