Tutors Answer Your Questions about Permutations (FREE)
Question 948476: Tarot cards are used for telling fortunes, and in a reading, the arrangement of the cards is as important as the cards themselves. How many different readings are possible if three cards are selected from a set of seven Tarot cards?
Click here to see answer by stanbon(75887) |
Question 948704: Brad and Janet are getting married. They have a wedding party of 5, with 3 bridesmaids and 2 groomsmen.
In how many different ways can 4 of the 5 members of the wedding party line up do a Photo?
I have done 4! And got 24 ways, but I am not sure if this is right. Could you please help?
Click here to see answer by stanbon(75887) |
Question 948972: Is there a difference in number of combinations for the two passwords:
PASSWORD A
8 characters, at least one character out of each of the 4 groups
a-z, A-Z, 0-9 and !"§$%&/
PASSWORD B
8 characters, at least one character out of three out of the same 4 groups
Click here to see answer by Edwin McCravy(20054)  |
Question 949682: A book club offers a choice of 3 books from a list of 30. How many different selections of 3 different books each can be made from this list?
I TRIED 30*29*28= 24360 THEN DIVIDED THAT BY 3 AND GOT 8120
BUT IT WAS STILL WRONG.
Click here to see answer by Alan3354(69443)  |
Question 948073: There are 13 indistinguishable math books and 5 indistinguishable physics books
that are to be placed on a bookshelf so that between any two physics books there
must be at least 2 math books. In how many different ways this can be done
Click here to see answer by Edwin McCravy(20054)  |
Question 949746: 7 freshmen, 6 sophomores, 7 juniors, and 4 seniors are eligible to be on a committee.
In how many ways can a dance committee of 18 students be chosen if it is to consist of at least 1 freshmen, 1 sophomore, 2 juniors, 2 seniors, and the rest can be of any grade?
Click here to see answer by KMST(5328)  |
Question 950211: you have a deck of 26 cards, each labeled with one of the 26 letters of the alphabet.(each letter appears once)Suppose you choose 3 cards at random, one at a time. What is the probability that you choose ur cards in alphabetical order? (Choosing G, then R, and then X not S, A, and P) Give an exact answer not an approximation and explain how u came to ur conclusion.
Click here to see answer by Edwin McCravy(20054)  |
Question 950621: please help me solve the combination.
6 freshmen, 7 sophomores, 4 juniors, and 6 seniors are eligible to be on a committee.
In how many ways can a dance committee of 18 students be chosen if it is to consist of at least 1 freshmen, 1 sophomore, 2 juniors, 2 seniors, and the rest can be of any grade?
Email- AMY2168935@maricopa.edu
Click here to see answer by Theo(13342)  |
Question 950549: 1. A password must be 6, 7, or 8 characters long, and may include capital letters, lower-case letters, or digits. In how many ways could this be done
a. with no restriction?
b. with no repetition permitted?
c. if at least one of the characters in part a) must be a digit?
Click here to see answer by Edwin McCravy(20054)  |
Question 950980: A 5k run has 50 people participate in it. The race directors give out medals to the athletes that place 1st, 2nd, or 3rd. How many different combinations of 3 runners could make up the top 3 out of the 50 runners total?
Click here to see answer by Fombitz(32388)  |
Question 951079: Bills of Four Denominations Duc Tran’s wallet contains 8 bills of the following denominations: four $5 bills, two $10 bills, one $20 bill, and one $50 bill. If Duc selects two bills at random, determine the probability that he selects two $5 bills.
Click here to see answer by macston(5194)  |
Question 951634: On a 7 by 7 chessboard, two of the squares are colored orange and the remaining squares
are colored blue. Under these conditions, how many distinct colorings are possible?
(Do not count two colorings as distinct if one can be obtained from the other by rotating
the chessboard.)
Click here to see answer by Alan3354(69443)  |
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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
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