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Combinatorics
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Questions (2,376)
Three men and three women are waiting to be interviewed for jobs. If they are all selected in random order find the probability
5 answers
asked by
Katy
5,915 views
How many ways are there to put 4 balls in 3 boxes if the balls are distinguishable but the boxes are not?
How many ways are there
7 answers
asked by
Epic
4,571 views
In a family with 4 children what is the probability of having 1 boy and then 3 girls, in that order? (Exclude multiple births
5 answers
asked by
john
20,806 views
If a committee of 3 is to be selected from a group of 15 students and 6 teachers, then the
number of different possible
4 answers
asked by
Anonymous
1,990 views
What is the maximum number of coins that can be placed on squares in an 8x8 chessboard such that each row, each column, and each
4 answers
asked by
unowen
2,860 views
In how many ways can 14 basketball players be listed in a program?
A. 87,178,291,200*** B. 14 C. 1 D. 17,297,280
4 answers
asked by
oof
3,305 views
A class has 12 students. In how many different ways can the students be put into lab groups consisting of 3 students in each
5 answers
asked by
KC
1,747 views
Suppose a code consist of two letters followed by a digit. Find the number of
(a) Codes (b) Codes with distinct letters (c) Codes
4 answers
asked by
manny
3,670 views
An examination consists of a section A, containing 10 short questions, and a section B, containing 5 long questions. Candidates
4 answers
asked by
Raj
1,873 views
The probability of selecting a banana from a bowl containing 5 bananas and 5 oranges
4 answers
asked by
Siphosethu hlatshwayo
757 views
How many 6-letter words can be made from the letters WASTEFUL if repetition of letters is allowed?
5 answers
asked by
hana
6,841 views
Suppose you are managing 16 employees, and you need to form three teams to work on different projects. Assume that all employees
5 answers
asked by
bballer
6,187 views
The lock is numbered from 0-49. Each combination uses a right,left, right pattern. Find the total # of possible combinations.
I
22 answers
asked by
Madeline
10,201 views
An exam consists of six true-or-false questions. Assuming that every question is answered, in how many different ways can a
4 answers
asked by
Anonymous
2,962 views
A committee consists of six men and four women .A subcommittee is made by randomly choosing three of the committee members. What
4 answers
asked by
Mary Adenike
2,381 views
find the number of possible 5 card hands that contain the cards specified
a: 5 face cards(either king,queen, or jacks) b: 4 aces
3 answers
asked by
bkue
1,930 views
Zip code contains 4 digits. How many zip-codes can be created with digits 0−9 if you can use each digit only once and zip code
4 answers
asked by
random
2,065 views
Casey will put 3 plants in a pot. She is picking from 5 different plants in the store. How many possible ways could she pick the
3 answers
asked by
Sara
543 views
In 2011, the estimated population of Canada was 34 699 000. If the government wants to use an alphabetic string using letters of
3 answers
asked by
jordan
1,325 views
Using the letters in the word TRAMPOLINE, find the number of permutations that can be formed using 4 letters at a time. Show
1 answer
asked by
Tanya
160 views
Use the combination formula to determine the number of outcomes: subscript 8 baseline upper C subscript 3 baseline
(1 point)
1 answer
asked anonymously
19 views
Part 1: A basket of fruits contains 20 apples, 4 watermelon slices, and 12 oranges. If a piece of fruit is to be selected
3 answers
asked anonymously
47 views
A store sells rings with birthstones selected from the 12 different months of the year. The stones are arranged in a row.
Part A:
4 answers
asked by
Sharon
1,156 views
in how many ways could the digits in the number 458 978 be arranged if the prime digits must remain in the original position
i
5 answers
asked by
william
1,518 views
1) You and 3 friends go to a concert. In how many different ways can you sit in the assigned seats?
A) 6 B) 12 C) 24 D) 10 2) You
9 answers
asked by
Sammy
7,289 views
In how many ways can a family of six be seated at a round table if the mother and father must sit together?
5 answers
asked by
Anonymous
5,121 views
If a ship has only 5 flags and 2 of them are alike w/ which to send signals,how many different signals can be sent if all flags
4 answers
asked by
ian
3,078 views
n ice cream stand sells chocolate, vanilla, and strawberry ice cream as well as a choice of 22 toppings. How many choices are
9 answers
asked by
Sophia
4,672 views
How many ways are there to choose a potato and two green vegetables from a choice of three potatoes and seven green vegetables?
A
4 answers
asked by
tanisha
891 views
the social convenor has 12 volunteers to work at a school dance. Each dance requires 2 volunteers at the door, 4 volunteers on
5 answers
asked by
joanna
5,035 views
Katie is going to adopt kittens from a litter of 11. How many ways can she choose a group of 3 kittens?
4 answers
asked by
brown
908 views
How many distinguishable permutations of letters are possible in the word COLORADO?
is it 8!/3!?
4 answers
asked by
Anonymous
3,149 views
Okay now. New question. Find the number of (m) ways in which 6 people can ride a toboggan if ONE OUT OF THREE people must drive.
7 answers
asked by
dddd47906
4,158 views
The planning committee at school has 11 members. Exactly five of these members are teachers. A four-person subcommittee with at
7 answers
asked by
Jake Stokes
3,910 views
In a lottery game, a player picks 7 numbers from 1 to 45. How many different choices does the player have if order doesn't
4 answers
asked by
Anonymous
4,397 views
How many ways can a person select four books, two CDs, and one DVD from ten books, twenty CDs, and five DVDs?
4 answers
asked by
clay
2,607 views
A corporation has 7 members on its board of directors. How many different ways can it elect a president, vice
5 answers
asked by
Erin
2,001 views
Find the number of ways of forming an executive committee of 4 in a social club consisting of 15 members, if a particular man
4 answers
asked by
Zee
1,154 views
In recent years, a state has issued license plates using a combination of two letters of the alphabet followed by two digits,
5 answers
asked by
Ian
2,521 views
A rooming house has three rooms that contains four beds, three beds and two beds respectively. In how many ways can nine quests
5 answers
asked by
David
3,636 views
nPr=6720 and nCr=56, then the value if r is___?
3 answers
asked by
Helen
1,105 views
Suppose you are managing 25 employees, and you need to form three teams to work on three different projects.
Assume that all
31 answers
asked by
aileen
661 views
A security code used to consist of two odd digits, followed by four even digits. To allow more codes to be generated, a new
4 answers
asked by
alejandro
1,716 views
A family has 4 children. A tree diagram or systematic list can be used to show how many ways the children could have been born,
4 answers
asked by
HANNAH
2,229 views
In how many distinct ways can the digits in the number 9,400,000 be arranged?
5 answers
asked by
Makayla
2,668 views
How many distinguishable code symbols can be formed with the letters for the word PHILOSOPHICAL?
5 answers
asked by
Heather
1,990 views
A six-sided die has been tossed 4 times. How many sequences of these 4 outcomes contain at least one number greater than 4?
4 answers
asked by
picklepeter
1,463 views
7 girls audition for 12 roles in a school play. What is the probability that at least 2 of the girls audition for the same part?
6 answers
asked by
jenny
2,812 views
A lock has a code of 3 numbers between 1 and 15. If no numbers in the code are allowed to repeat, how many different codes could
4 answers
asked by
sean
1,749 views
How many distinguishable permutations are there for the letters of the word INCONVENIENCING taken all together ?
5 answers
asked by
hotdog
1,559 views
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Algebra
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