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

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Question 452250: How many 6 person committees can be selected from a group of 14 people?
Click here to see answer by edjones(8007) About Me 

Question 452252: you are taking a math quiz in which 4 questions are randomly selected from a test bank containing 7 questions. How many versions of the quiz are possible?
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Question 452260: If you have 12 shows recorded on your DVR in how many ways can you watch 8 of them
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Question 452255: In a game of Texas Hold 'em poker, of the 8 cards already out on the table, 3 are kings. If the guy needs a king to win what is the probability that the next card dealt is a king
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Question 452180: how many distinguishable permutations can be made from the letters in the word Mississippi?
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Question 452129: Hi.
A quiz has five true-false questions and 3 multiple choice questions with 4 options each. How many possible ways are there to answer the 8 questions..
Ive already decided that you should use permutations on this because order does matter, correct?

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Question 452259: NASCAR is on right now. In how many ways can the top three places be filled from the original 42 drivers
Click here to see answer by Alan3354(69443) About Me 

Question 452034: A trader has 100 Kg of wheat, part of which he sells at 5% profit and the rest at 20% profit. He gains 15% on the whole. Find how much is sold at 5% profit?
Click here to see answer by ankor@dixie-net.com(22740) About Me 

Question 452441: There are a number of people in a roo and each person shakes hands once with each of the other people.
a) If there are 5 people in the room, how many handshakes have taken place?
b) If there are 6 people in the room, how many handshakes have taken place?
c) If there are 7 people in the room, how many handshakes have taken place?
d) If there are n people in the room, how many handshakes have taken place? Write a recursive formula and explicit formula.
e) Where are these numbers on Pascal's Triangle?
f) If there were 190 handshakes altogether, how many people were in the room?

Click here to see answer by MathLover1(20849) About Me 

Question 452444: A bag contains 5 red marbles and 4 yellow marbles. If you can only draw 3 marbles from the bag without replacement, in how many ways can you draw 2 reds and 1 yellow?
I keep coming up with 40, but that's not an option. Please help!

Click here to see answer by stanbon(75887) About Me 

Question 452443: In how many ways can a committee consisting of 3 men and 4 women be selected from a group consisting of 16 men and 22 women?
I keep coming up with 4224, but that's not an option. Please help!

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Question 452542: How many three-letter combinations are possible using the letters D,E,F,G and H?
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Question 452777: how many three letter words can be formed by using the letters G,E,O, and M if the letters can be repeated?
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Question 452838: franklin school has 3 boys for every 4 girls in the 5th grade. there are 140 students in the 5th grade. how many are boys? How many are girls?
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Question 452891: I have a 'wizard deck' of cards. Total of 79 cards (44 black and 35 red). You draw a two card hand. What's the probability that you will draw AT MOST one red card. I found the probability of getting one red card = 35/79 and the probability of getting one black = 44/78. And I multiplied so 1540/6162??? This is how I interpreted the question. Am I correct?
Click here to see answer by richard1234(7193) About Me 

Question 453172: In a class of 25, How many ways can a group of five students be selected?
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Question 453258: In how many different ways can a committee of 4 students be chosen from 6 students? and What is the simple interest rate if p = $4,000, t = 2 years, and I = $320? Use I=prt, where t is in years.
Click here to see answer by stanbon(75887) About Me 

Question 453442: 3 students are selected to form a wrestling team from a group of 5 young 16 year old girls and 3 boys of the same age. Find the number of possible teams that can be selected in which there are more girls than boys.
*Please explain this question in as much detail as possible. I need a lot of help in this topic and my exams are tomorrow. Thank you! :) =)

Click here to see answer by stanbon(75887) About Me 

Question 453483: i have 4 different kinds of meats, 9 different sauces and 7 toppings. how many different combinations of the 3 are possible? if you have to have 1 meat, 1 sauce and one topping?
Click here to see answer by rwm(914) About Me 

Question 453622: There are 9 possible toppings for a pizza. Hector may choose 3 different toppings for his pizza. How many pizzas are possible?
Click here to see answer by Alan3354(69443) About Me 

Question 453660: How do I find the answer to this question: How many ways could you choose 3 different items from a menu containing 6 items?
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Question 453748: how many ways can 3 people sit in 4 chairs

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Question 453783: Four cards are drawn from a standard deck of 52 cards without replacement. Find the probability that the first card is a heart, the second is a club, and the third and fourth are diamonds.
Click here to see answer by edjones(8007) About Me 

Question 453778: A group has 6 men amd 5 women. How many ways can a committee of 3 men and 2 women be formed?
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Question 453776: at the conclusion of a soccer game whose two teams each include 11 players, each player on the winning team "gave five" to (slapped hands) each player on the losing team. each player on the winning team also gave five to each other player on the winning team. how many fives were given?
Click here to see answer by edjones(8007) About Me 

Question 453820: Some states have license plates formed by 3 letters followed by 3 digits. Both letters and the digits may be repeated.
If license plates are randomly assigned, what is the probability that a person would receive a license plate that contains all vowels and odd digits.

Click here to see answer by stanbon(75887) About Me 

Question 453825: The phone system within a school assigns 4-digit phone numbers.
If the phone numbers are randomly assigned, what is the probability that you will be assigned a phone number that ends in 0, if the digits may repeat.

Click here to see answer by stanbon(75887) About Me 

Question 454085: In how many ways can you choose a committee of four people from nine in the club?
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Question 454380: Compute: 6!/2! (factorial)
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Question 454579: how many ways can you select 3 bananas from a group of 9????
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Question 454576: How many ways can a florist arrange 5 bouquets on a display shelf?
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Question 454591: 10 people are going on a camping trip in 3 cars that hold 5,2, and 4 passengers, respectively. How many ways is it possible to transport the 10 people to their campsite?
Click here to see answer by edjones(8007) About Me 

Question 454631: 4 red, 3 yellow, 2 green marbles
How many arrangements of 5 marbles possible if there is to be at least one of each colour.

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Question 454653: How many ways can a committee of 7 people be selected from a group of 15 people?
Click here to see answer by sudhanshu_kmr(1152) About Me 

Question 454616: Twenty students are in a class. 12 consists of girls and 8 boys. How many ways are possible for a girl must be president, a boy must be secretary and anyone can be treasurer?
Click here to see answer by sudhanshu_kmr(1152) About Me 

Question 455256: Can anyone help me solve this math problem? See below.
An urn contains 2-one dollar bills, 1 five dollar bill and 1 ten dollar bill. A player draws bills one at a time without replacement from the urn until a ten-dollar bill is drawn. Then the game stops. All bills are kept by the player. Determine:
(A) The probability of winning $11
(B) The probability of winning all bills in the urn.
(c) The probability of the game stoping at the second draw.

Click here to see answer by stanbon(75887) About Me 

Question 455715: find the 11th term of (b-3)^12
Click here to see answer by Edwin McCravy(20054) About Me 

Question 455652: a license plate will have 7 characters including letters and digits. how many different plates can be made if the first 4 are letters and the last 3 re digits(cant repeat)
Click here to see answer by edjones(8007) About Me 

Question 455916: You know that Bob, Sue, Joanne and Jasper all have birthdays in June. If we list how many ways these four people all have birthdays on different days in June, how many arrangements of 4 days would there be in the list?
Click here to see answer by solver91311(24713) About Me 

Question 455938: Daphne's dinner party included six guests and herself. If they were going to eat at a circular table, how many seating arrangements were possible?
Click here to see answer by edjones(8007) About Me 

Question 456064: A true-false test contains 12 questions. In how many
different ways can this be completed?

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Question 456128: A poker hand consists of five cards from a standard deck of 52. How many poker hands are there that don't have any spades in them?
Click here to see answer by robertb(5830) About Me 

Question 456256: A code contains 4 letters and 2 numbers. How many possible codes are there?
Click here to see answer by Alan3354(69443) 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