Tutors Answer Your Questions about Permutations (FREE)
Question 867219: A college planning committee consists of 3 freshman, 4 sophomores, 5 juniors, and 2 seniors. A subcommittee of 4 consisting of 1 person from each class is to be chosen. How many different subcommittees are possible?
Click here to see answer by stanbon(75887)  |
Question 867220: Find out in how many ways the operation can be performed? (Permutation & Combination)?
i) In how many ways can a committee of 5 or more be formed from 12 persons?
ii) In how many ways can a committee of 5 be formed from 12 persons if only two of a group of 3 persons must always be included?
All I know is it must be combination cause order/arrangement does not matter.
I know to solve by formula too; but confused how to begin. Help...
Click here to see answer by stanbon(75887) |
Question 867228: A class in probability theory consists of 6 men and 4 women. An examination is given, and the students are ranked according to their performance. Assume that now two students obtain the same score. a) How many different rankings are possible? b) If the men are ranked just among themselves and the women are ranked just among themselves, how many different rankings are possible?
Click here to see answer by stanbon(75887) |
Question 867225: A class in a probability theory class consists of 6 men and 4 women. An examination is given, and the students are ranked according to their performance. Assume that no two students obtain the same score. A) How many different rankings are possible? B) If the men are ranked just among themselves and the women just among themselves, how many different rankings are possible?
Click here to see answer by stanbon(75887) |
Question 867304: Decide whether you would use a permutation, a combination, or neither. Next, write the solution using permutation notation or combination notation, if possible, and, finally, answer the question.
Tom is leading a workshop for 16 people. He wants each person to meet every other person (shake hands once). How many handshakes occur?
Click here to see answer by richwmiller(17219)  |
Question 867360: A task force studying sex discrimination wishes to establish a subcommittee. If the subcommittee is to consist of 11 members chosen at random from a group of 15 men and 18 women, find the probability that the subcommittee consists of the following?
(a) 8 men and 3 women (Round your answer to two decimal places.)
(b) all women (Round your answer to seven decimal places.)
Click here to see answer by jim_thompson5910(35256) |
Question 867481: Given a group of students: G=(Allen,Brenda,Chad,Dorothy,Eric) or G=(A,B,C,D,E)count the different ways of choosing the following officers or representatives for student congress. Assume that no one can hold more than one office.
A president, a secretary, and a treasurer, if the president must be a woman and the other two must be men
Click here to see answer by jim_thompson5910(35256) |
Question 867569: A task force studying sex discrimination wishes to establish a subcommittee. If the subcommittee is to consist of 11 members chosen at random from a group of 19 men and 19 women, find the probability that the subcommittee consists of the following?
(a) 6 men and 5 women (Round your answer to two decimal places.)
(b) all women (Round your answer to seven decimal places.)
Click here to see answer by jim_thompson5910(35256) |
Question 867569: A task force studying sex discrimination wishes to establish a subcommittee. If the subcommittee is to consist of 11 members chosen at random from a group of 19 men and 19 women, find the probability that the subcommittee consists of the following?
(a) 6 men and 5 women (Round your answer to two decimal places.)
(b) all women (Round your answer to seven decimal places.)
Click here to see answer by stanbon(75887) |
Question 868363: One card is dealt from a standard 52-card deck of cards .find each of the probabilities below:
A.) let event E= {the card drawn is a club }
Find P(E)
B.) let event F= {the card drawn is a red card that is greater than four and less than 9}
Find P(F)
Click here to see answer by jim_thompson5910(35256) |
Question 868376: Use the given information to find the indicated probabilities. P
A) P(A)=.7, P(B)=.9, P(A U B)=1.2
Find P (A Or B)
B) A and B are mutually exclusive. P (A U B)=1.5, P(B) =.7
i) Find P(A)
ii) Find P(A')
Click here to see answer by edjones(8007)  |
Question 868419: An electronics store receives a shipment of 30 graphing calculators, including 7 that are defective. 4 of the calculators are selected to be sent to a local high school. How many selections can be made using the original shipment?
Click here to see answer by mananth(16946)  |
Question 868553: In a class of 40 students, 14 of which are girls, 6 students are to be selected at random.
a. In how many ways can their teacher choose 6 students?
b. In how many ways can their teacher form a committee consisting of 3 girls and 3 boys?
c. In how many ways can their teacher form a committee consisting of 2 girls?
d. What is the probability that at least two girls are chosen?
Click here to see answer by ewatrrr(24785)  |
Question 868710: a teacher put five people lettered A,B,C,D and E in a line-up, standing in spots numbered one through six from left to right. there is one empty space. Person E is the third person from the left. Person A is to person B's immediate left. If person D stands in space six swith no one beside him, where is person C
Click here to see answer by ewatrrr(24785) |
Question 868710: a teacher put five people lettered A,B,C,D and E in a line-up, standing in spots numbered one through six from left to right. there is one empty space. Person E is the third person from the left. Person A is to person B's immediate left. If person D stands in space six swith no one beside him, where is person C
Click here to see answer by Edwin McCravy(20055)  |
Question 868067: I am having trouble with the following questions, coult you help me?
If a building has six door to the outside how many different ways can you enter and leave? Also how many ways can you enter and leave by a different door?
Thank you in advance
Click here to see answer by Edwin McCravy(20055) |
Question 869109: The following sets represent the numbers that can be used on little league jerseys.
A={4, 5, 8, 9}
B={0, 1, 3, 6, 9 }
C={1, 2, 4, 7, 8}
D={2, 3, 5, 9}
How many elements are in the set (A∪B) ∩ (C∪D)?
Click here to see answer by Fombitz(32388)  |
Question 869603: In testing the effects of a drug, the percentage of the drug in the blood stream was given by p = 0.090t – 0.015t^2, where t is the time (in hours) after the drug was administered.
a. What is the maximum number of hours that the drug is in blood?
b. How much of the drug is in the system after 15 minutes?
c. How long is at least 12 percent of the drug in the system?
Click here to see answer by Fombitz(32388) |
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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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