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111 Answered Questions for the topic Combinations And Permutations

Combinations And Permutations Finite Math

05/02/16

a box contains 5 red and 7 green balls. How many ways can two balls be selected with the two balls the same color?

 I am a college freshmen struggling with the difference between combinations and permutations. 
Combinations And Permutations

05/02/16

a box of 30 tennis balls contains 15 green balls and 15 yellow balls.

a box of 30 tennis balls contains 15 green balls and 15 yellow balls. if 5 balls are selected at random, what is the probability that 4 balls are green and 1 ball is yellow?
Combinations And Permutations

05/02/16

How many possible calls can a telemarketer make by dialing a seven digit phone number with an area code?

This is for our permutations and combinations unit. 
Combinations And Permutations Word Problem Ancestors

04/28/16

Combinations/ ancestor word problem

A.) If you go back 10 generations, how many ancestors Do you have? count your parents as the first generation back, your four grandparents as the second generation back, and so on. (Assume there's... more
Combinations And Permutations

04/21/16

A jar contains 12 marbles, 5 of which are green and 7 of which are blue. If 2 marbles are chosen at random (without replacement) and then 2 additional marbles

A jar contains 12 marbles, 5 of which are green and 7 of which are blue. If 2 marbles are chosen at random (without replacement) and then 2 additional marbles are chosen at random (without... more
Combinations And Permutations Discrete Math Math Help

04/19/16

Ten people check their hats in a resturant. The resturant is evacuated quickly. Everyone grabs a hat. In how ma...

Ten people check their hats in a resturant. The resturant is evacuated quickly. Everyone grabs a hat. In how many ways can it happen, that noone gets the right hat? Please help! this is a... more
Combinations And Permutations Math Discrete Math

04/19/16

Please help with the combinations and Permutations problem below

A club has 30 members under the age of 30 and 40 members who are 30 or older. In how many ways can a slate of officers be chosen if the President and atleast one other officer must be at least 30... more
Combinations And Permutations

04/14/16

student writes a number 1 to 25 on a piece of paper and puts it in a basket.

There are 25 students in Mr Burwell's class. Each student writes a number 1 to 25 on a piece of paper and and puts it in a basket to win a drawing for bonus points. Five numbers will be selected.... more
Combinations And Permutations Statistics Probability

03/20/16

Math Homework Help!! Permutations, Combinations,Counting Techniques

There are 10 puppies. 6 are male, 4 are female. If you pick 3 puppies at random, what is the probability they will all be the same gender?
Combinations And Permutations

01/10/16

ty owns 4 shorts,7shirts and 5 hats. if an outfit consists of 1shorts, 1shirt and 1 hat then how many different outfits can be made?

Combinations and permutations
Combinations And Permutations

01/10/16

a teacher decided to give different prizes to three of the eight students in her class. how many ways can this be done

Permutations
Combinations And Permutations

01/10/16

a committee of twelve people needs to form a subcommittee of four members. how many ways can that be done?

Permutations
Combinations And Permutations

01/10/16

a president, vice president, and secretary are to be chosen from a club of ten people. how many ways can this be done?

Permutations
Combinations And Permutations Probability

12/03/15

Combinations, Permutations and Probability

You have acquired 10 music CDs over the past 12 months. You put them in a portable CD caddy that holds exactly 10. (a) How many arrangements are possible inthe caddy?(b) Suppose I try to guess... more
Combinations And Permutations

11/26/15

There are 16 different colors. How many different combinations of 2 are there? Not repeating combinations.

There are 16 different colors. How many different combinations of 2 are there? Not repeating combinations. Example: Blue and green would be the same as green and blue therefore green and blue would... more
Combinations And Permutations

10/29/15

How many different four-card hands that contain at most two hearts can be dealt from a standard deck of playing cards?

I am in grade 11 IB math and the unit is counting methods
Combinations And Permutations

10/13/15

For this problem, assume 7 males audition, one of them being Miles, 5 females audition, one of them being Margaret, and 6 children audition.

The casting director has 3 male roles available, 1 female role available, and 2 child roles available.   A) How many different ways can these roles be filled if exactly one of Miles and Margaret... more
Combinations And Permutations

10/12/15

For this problem, assume 7 males audition, one of them being Miles, 5 females audition, one of them being Margaret, and 6 children audition.

The casting director has 3 male roles available, 1 female role available, and 2 child roles available.   A)How many different ways can these roles be filled if exactly one of Miles and Margaret... more
Combinations And Permutations

10/07/15

Assume that the committee consists of 6 Republicans and 5 Democrats. A subcommittee of 4 is randomly selected from all subcommittees of 4 which contain at least

What is the probability that the new subcommittee will contain at least 2 Democrats?
Combinations And Permutations

10/07/15

Assume that there are 16 board members: 11 females, and 5 males including Mark. There are 4 tasks to be assigned. Note that assigning the same people different

A)Find the probability that both males and females are given a task. B)Find the probability that Mark and at least one female are given tasks.
Combinations And Permutations

10/07/15

a prisoner sentenced to death is offered a chance to live by the emperor.

He is asked to remove three coins from a pouch that contains 1 gold, 4 silver, and 3 copper coins. A gold is worth 2 silver coins. A silver is worth 4 coppers. If the total value of the coins... more
Combinations And Permutations

10/07/15

a talent show consist of four people performing one after another. among the applicants, there are 3 magicians, 4 singers and two jugglers

the show must start with a singer and include exactly one magician. How many different shows are possible?
Combinations And Permutations

10/05/15

Police asks 5 witnesses, one by one, to identify their suspects among 6 people lined up in front of a wall.

find the probability that at least 2 witnesses point at the same person.   leave answer as an expression.

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