Tutors Answer Your Questions about Permutations (FREE)
Question 1176913: A sundae is made from a scoop of ice cream, a sauce, and a topping sprinkled over top.
We have chocolate, vanilla and strawberry ice cream; hot fudge, caramel, strawberry, and marshmallow sauce; and peanuts, chopped cherries, chocolate jimmies, or rainbow nonpareils to go on top.
How many distinct sundaes can be made?
Click here to see answer by Boreal(15235)  |
Question 1177055: 1. A and B play 12 games of chess of which 6 are won by A,4 are won by B and two ends in a tie. They agree to play a tournament consisting of 3 games. Find the probability that
a) A wins all three games
b) Two games end in a tie
c) A and B wins alternatively
d) B wins at least one game
Click here to see answer by ewatrrr(24785)  |
Question 1177055: 1. A and B play 12 games of chess of which 6 are won by A,4 are won by B and two ends in a tie. They agree to play a tournament consisting of 3 games. Find the probability that
a) A wins all three games
b) Two games end in a tie
c) A and B wins alternatively
d) B wins at least one game
Click here to see answer by ikleyn(52778)  |
Question 1177140: The following question was answered by you, however, I am having a difficult time understanding the work that was provided. It was confusing - please try again.
Write the following expression without using the factorial symbol...
nC3+nC2+nC1
Click here to see answer by ikleyn(52778)  |
Question 1177140: The following question was answered by you, however, I am having a difficult time understanding the work that was provided. It was confusing - please try again.
Write the following expression without using the factorial symbol...
nC3+nC2+nC1
Click here to see answer by greenestamps(13198)  |
Question 1177374: An office consists of seven men and four women. If three are chosen for a committee, how many of these committees will contain exactly one woman. Please help me understand the process of solving this question; is the multiplicative principle used or is the additive principle used?
Click here to see answer by ikleyn(52778)  |
Question 1177371: An office consists of seven men and four women. How many of these committees will contain exactly one woman. Please help me understand the process of solving this question; is the multiplicative principle used or is the additive principle used?
Click here to see answer by ikleyn(52778)  |
Question 1177380: There are a group of 48 students enrolled in mathematics, french and physics. Some students were more successful then others: 32 passed French, 27 passed physics, 33 passed mathematics; 26 passed French and math, 26 passed physics and math, 21 passed french and physics, and 21 passed French, math and physics.
How many students passed one or more of the subjects? Solve the question using the inclusion-exclusion principle. Show your calculations.
Click here to see answer by ikleyn(52778)  |
Question 1177501: There are 8 different cell phones in total.
You want to buy two cell phones. In how many ways can a group of two cell phones be selected?
You want to buy two cell phones. One cell phone is for your mom and the other one is for your dad. How many different ways are there? (optional)
Click here to see answer by Boreal(15235)  |
Question 1177524: 12 stalks of flower consisting of 3 red flowers, 4 blue flowers and 5 white flowers will be attached onto a string to make a wreath of flowers. Calculate the number of ways to arrange the flowers to make the wreath
Click here to see answer by ikleyn(52778)  |
Question 1177599: Supposed your computer password must contain four characters, must begin with a letter, and may contain digits and letters only. How many different passwords can you create. (Note that in a password, upper case letters are different from lower case letters.)
Click here to see answer by ikleyn(52778)  |
Question 1177605: A club with eighteen members is to choose three officers: president, vice-president, and secretary-treasurer. If each office is to be held by one person and no person can hold more than one office, in how many ways can those offices be filled?
Click here to see answer by ikleyn(52778)  |
Question 1177669: Deepa's house is 5 blocks west and 4 blocks south of a bus stop. A store is 3 blocks west and 1 block south of the bus stop. How many ways can Deepa walk home if she wishes to stop at the store on her way home by walking only west and south? Please show step by step.
Click here to see answer by greenestamps(13198)  |
Question 1177889: Amy, Linda, Mark, Kelsie, Ryan, Angie, and Matthew are the seven players in a round-robin tennis tournament. Each player will play a set against each of the other players. List all the sets that need to be played.
Click here to see answer by ikleyn(52778)  |
Question 1177888: Melinda’s son has $6.00 he wants to spend on storybooks and superhero cards. Storybooks cost 60 cents each and the deluxe package of superhero cards cost $1.20 each. List all the ways he can spend all his money on storybooks, superhero cards, or both.
Click here to see answer by ikleyn(52778)  |
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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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