Questions on Algebra: Combinatorics and Permutations answered by real tutors!

Algebra ->  Permutations -> Questions on Algebra: Combinatorics and Permutations answered by real tutors!      Log On


   



Tutors Answer Your Questions about Permutations (FREE)


Question 352488: In day camp, 6 children are picked to be team captains from the group of children numbered 1 through 49. How many possibilities are there for who could be the 6 captains?
Click here to see answer by edjones(8007) About Me 

Question 352504: Find the number of ways to draw a six-card hand with three cards of one suit and three cards of a second suit.
Click here to see answer by robertb(5830) About Me 

Question 352524: Find how many 4-digit numbers can be formed from the digits 2,4,6,7 and 9, without repetitions of digits. if one of these numbers are chosen randomly, find the probability that is
a) greater than 7000
b)an even number
c)greater than 7000 and an even number
then, find the probability that one of the 4-digit numbers formed, chosen at random, has a value greater than 7000 or is an even number

Click here to see answer by robertb(5830) About Me 

Question 352623: How many ways can eight pictures be arranged on a shelf?
Click here to see answer by Alan3354(69443) About Me 

Question 352716: ed has a sercurity code with 1 letter and 2 numbers 0-9 how many different ways can he set his code
Click here to see answer by Fombitz(32388) About Me 

Question 352388: 10 people line up for a photo, including you and your friend. How many line arrangements are there if the photographer insists on keeping 3 people in between you and your friend?
Click here to see answer by nyc_function(2741) About Me 

Question 352996: WHAT DOES THIS MEAN? C(7,4) P(12,3)
Click here to see answer by kking001(3) About Me 
Question 352996: WHAT DOES THIS MEAN? C(7,4) P(12,3)
Click here to see answer by nyc_function(2741) About Me 

Question 353236: In how many different ways can three finalists be selected from 15 job applicants for a second round interview?
Click here to see answer by ewatrrr(24785) About Me 

Question 353237: Fifteen dogs enter a Goofy Dog contest. In how many different ways can a champion, a first runner-up, and a second runner-up be selected?
Click here to see answer by sudhanshu_kmr(1152) About Me 

Question 353234: In how many ways can three different math books and four different English books be arranged in a row if the books for each subject are placed together?
Click here to see answer by sudhanshu_kmr(1152) About Me 

Question 353232: A quiz consists of 5 multiple-choice questions, each has three posssible answers. In how many different ways can the quiz be answered if an answer is chosen for each question?
Click here to see answer by sudhanshu_kmr(1152) About Me 

Question 352991: a computer with an old processor locks up if more then 4 applications are running simultaneously.If the ower has 20 application stored in his program file,how many different sets of 4 can he run,so that his computer does not lock up?
Click here to see answer by sudhanshu_kmr(1152) About Me 

Question 353273: A survey of 51 pet owners revealed that 32 owned dogs, 38 owned cats, and 3 owned neither cats nor dogs. How many owned cats and dogs?
Click here to see answer by sudhanshu_kmr(1152) About Me 

Question 353697: How many ways can a president and treasurer be selected if their are 10 members
Click here to see answer by Alan3354(69443) About Me 

Question 354019: In a classroom there are seven girls and five boys. A group of 3 girls and two boys are to be chosen. How many differnt possibilities are there?
Click here to see answer by stanbon(75887) About Me 

Question 352200: A survey of 51 pet owners revealed that 32 owned dogs, 38 owned cats, and 3 owned neither dogs nor cats. How many owned both dogs and cats?
Click here to see answer by sudhanshu_kmr(1152) About Me 

Question 352882: your band has written 11 songs and plans to record 5 of them for a cd. In how many ways can you arrange the songs on the cd?
Click here to see answer by sudhanshu_kmr(1152) About Me 

Question 352196: In how many ways can 10 letters: 2 C's, 3 D's, and 5 F's be awarded to 10 politicians, one letter for each politician?
Click here to see answer by sudhanshu_kmr(1152) About Me 

Question 354237: How many ways can 6 students sit in 3 seats in a row ?
Click here to see answer by ewatrrr(24785) About Me 
Question 354237: How many ways can 6 students sit in 3 seats in a row ?
Click here to see answer by sudhanshu_kmr(1152) About Me 

Question 354500: A spinner has 10 selections numbered 1-10. If the spinner is spun once what is the probability that it lands 2?
Click here to see answer by robertb(5830) About Me 

Question 354647: 3 dice of different colors are rolled, and the number coming up on each die is recorded. How many different outcomes are possible?
Click here to see answer by Edwin McCravy(20055) About Me 

Question 354885: If 6 of the 25 local businessmen are randomly selected to advise the chamber of commerce, how many possible advisory commitees are there?
Click here to see answer by stanbon(75887) About Me 

Question 354634: A true-false test contains 21 questions. In how many different ways can the 21-question test be answered?
Click here to see answer by sudhanshu_kmr(1152) About Me 

Question 355343: how many different ways can 5 people arrange themselves in the 5 seats of a car if only 2 can drive
Click here to see answer by edjones(8007) About Me 

Question 355395: the password for a computer system consists of three letters fallowed by three numbers (0 through 9). if a letter or number cannot be repeated, how many different passwords are possible?
Click here to see answer by checkley77(12844) About Me 

Question 355507: Hi, I am trying to figure out how combinations/groupings work. If you could give me the steps on how to do it, I would greatly appreciate it.
Thank You, Jordan

Click here to see answer by sudhanshu_kmr(1152) About Me 

Question 355687: There are 10 true-false questions and 20 multiple choice questions from which to choose a ten question quiz. How many ways can the quiz be selected if there must be six true-false questions and four multiple choice questions?
Click here to see answer by Theo(13342) About Me 

Question 355699: How many 7 digit phone numbers are avaliable if the first three digitd sre either 345, 286 or 329
Click here to see answer by Fombitz(32388) About Me 

Question 355706: In a certain lottery there are 49 numbers to choose from and 6 numbers can be chosen. In how many ways can the numbers be chosen? Please explain using 49!, ^! etc
Click here to see answer by jrfrunner(365) About Me 

Question 355545: A sample of eight math SAT scores is given below:
640 \quad 550 \quad 710 \quad 630 \quad 680 \quad 590 \quad 590 \quad 520
Find the first and third quartiles and the interquartile range for this sample.
First Quartile ; Third Quartile ;Interquartile Range



Click here to see answer by Fombitz(32388) About Me 

Question 355757: A true-false test contains 16 questions. In how many different ways can the 16 question test be answered?
Click here to see answer by Alan3354(69443) About Me 

Question 355796: Consider a list of randomly generated 2-letter "words" printed on a paper. The letters cannot be repeated.
(a) At least how many of these "words" should be printed to be sure of having at least 9 identical "words" on the list?
Answer =
(b) At least how many identical "words" are printed if there are 6501 "words" on the list?
Answer =

Click here to see answer by sudhanshu_kmr(1152) About Me 

Question 355988: The state wants to issue new liscense plates using this pattern.... digit,digit,digit,letter,letter.
Every digit and letter can be used. How many different license plates can be produced?

Click here to see answer by sudhanshu_kmr(1152) About Me 

Question 355704: How many 7 digit phone numbers are avaliable if the first three digitd sre either 345, 286 or 329. Could you please explain using 7!, 3! etc
Click here to see answer by sudhanshu_kmr(1152) About Me 

Question 355797: A store is selling 5 types of hard candies: cherry, strawberry, orange, lemon and pineapple. How many ways are there to choose:
(a) 24 candies?
Answer =
(b) 24 candies with at least a piece of each flavor?
Answer =
(b) 24 candies with at least 2 cherry and at least 2 lemon?
Answer =

Click here to see answer by sudhanshu_kmr(1152) About Me 

Question 356613: how many 6 letter words can be formed using the word Alaska?
Click here to see answer by robertb(5830) About Me 

Question 356644: in how many ways can a committee of 7 be formed if there are 10 dogs and 15 cats to choose from and the committee must consist of at least one cat?
Click here to see answer by stanbon(75887) About Me 

Question 356734: Four men and their wives sit on a bench.in how many ways can they be arranged
Click here to see answer by ewatrrr(24785) About Me 

Question 356906: How many five-digit zip codes contain exactly one zero?
Click here to see answer by Fombitz(32388) About Me 

Question 356905: In how many ways can five math books and four novels be placed on a bookshelf if the math books must be together?
Click here to see answer by Edwin McCravy(20055) About Me 

Question 356589: how many different arrangements of 7 letters can be formed if the first letter must be W or K?
Click here to see answer by nyc_function(2741) About Me 

Question 356928: a test consists of seven questions. any four questions may be selected for answering. in how many ways can this selection be made?
Click here to see answer by jim_thompson5910(35256) About Me 

Question 356947: How many different ways are there to arrange 5 people in 5 seats?
Click here to see answer by jim_thompson5910(35256) About Me 

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840, 6841..6885, 6886..6930, 6931..6975, 6976..7020, 7021..7065, 7066..7110, 7111..7155, 7156..7200, 7201..7245, 7246..7290, 7291..7335, 7336..7380, 7381..7425, 7426..7470, 7471..7515, 7516..7560, 7561..7605, 7606..7650, 7651..7695, 7696..7740, 7741..7785, 7786..7830, 7831..7875, 7876..7920, 7921..7965, 7966..8010, 8011..8055, 8056..8100, 8101..8145, 8146..8190, 8191..8235, 8236..8280, 8281..8325, 8326..8370, 8371..8415, 8416..8460, 8461..8505, 8506..8550, 8551..8595, 8596..8640, 8641..8685, 8686..8730, 8731..8775, 8776..8820, 8821..8865, 8866..8910, 8911..8955, 8956..9000, 9001..9045, 9046..9090, 9091..9135, 9136..9180, 9181..9225, 9226..9270, 9271..9315, 9316..9360, 9361..9405, 9406..9450, 9451..9495, 9496..9540, 9541..9585, 9586..9630, 9631..9675, 9676..9720, 9721..9765, 9766..9810, 9811..9855, 9856..9900, 9901..9945, 9946..9990, 9991..10035