Find the number of pairwise comparisons that would take place in an election with 13 candidates Answer :78 2.If there are 171 total pairwise comparisons in a different election, how many candidates are running?

Q: When you buy a one-dollar ticket for a state's lottery, you are trying to match 5 numbers drawn from…

A: Match 5 numbers from 45 numbers in any order without replacement to win. Total possible winning…

Q: How many ways can 8 runners line up in a race

A: Draw the 8 lines and find the way that how many possible ways for 8 athletes on each place.

Q: A sample of three hundred thirteen students were surveyed one week prior to the election for student…

A: Take the percentage of votes 'B' received and the calculate the same for 1267 votes.

Q: B 4a X A 66° 20

A: The given figure is -  We have to find the value of 'x'.

Q: How many ways can 6 boys stand in a line if a certain boy must come first?

A:

Q: How many different ways are there to select three dozen colored roses if red, yellow, pink, white,…

A: Solution-:Given: Available roses - red, yellow, pink, white, purple, and orange We want to find how…

Q: In how many ways can 4 pizza toppings be chosen from 12 available toppings?

A:

Q: How many different ways can a race with 6 runners be completed? (Assume there is no tie.) Your…

A:

Q: using technolgy to find teh number of ways 17 employees can be chosen from 200

A: We have given that Total number of employees (n) = 200 Number of employees to be selected(r) =17…

Q: Several states participate in Hot Lotto, a lottery that requires choosing 5 of the numbers 1-39 and…

A: It is given that lottery  requires choosing 5 of the numbers 1 to 39. Substitute n=39,r=5 in…

Q: Bryan decides to have a movie marathon if he has 6 movies he wants to watch but only has time to…

A: Combination: It means selection. If there are n number of item out of which r to be chosen then the…

Q: How many ways can 9 runners finish a race?

A:

Q: How many ways are there to choose first, second, and third prizes in an art contest with 18 entries?

A: Introduction:According to the permutation rule, if r distinct items are to be chosen from n items…

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A: To find the number of ways to select a sample of 7 cellphones from a shipment of 23, you can use the…

Q: How many first place votes are needed for a majority?

A: We have to find how many first place votes are needed for a majority.

Q: 10 people is choosing a chairperson and vice chairperson

A: Given that   A group of 10 people = (n)=10 We have to select two people from total 10 people.…

Q: How many different ways can a race with 6 runners be completed? (Assume there is no tie.) Your…

A:

Q: solve the differenctil equation by undtermeind coefficients y'' +2y = -18x2e2x   y(x) = ?

A:

Q: how many different ways can 15 runners finish in the first five places of a race?

A: It is given that n is 15 and r is 5.

Q: How many ordered lists are there of seven items chosen from eight? ordered lists

A: Given n=8 r=7

Q: How many ways to choose 4 out of the 10 candidates to be sent to a conference?

A: Combination Rule: The arrangement of r objects from n different objects is given by:

Q: n how many different ways can we select a committee of a president, vice president , and a secretary…

A: Given,total no.of applicants=15

Q: How many ways can you park cars in 5 parking spots if there are 15 cars to choose from? You may…

A: 15 cars can be parked in 5 parking spots in C515ways. So, the number of possibilities = C515= 3003…

Q: How many different ways are there to choose a dozen donuts from the 21 varieties at a donut shop

A: The given information is that there are 21 varieties of donuts at a donut shop, and we want to…