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Question 1031842: Carlee (again!) is spinning a spinner marked with the letters a through f . She defines the events A={a,b,c,d} and B={c,d,e} . Suppose that P(a)=0.02 , P(b)=P(c)=0.1 , P(d)=0.11 , and P(e)=0.04 .
(a) P(A)=
(b) P(B)=
(c) P(A∩B)=
(d) P(A|B)=
(e) P(B|A)=
(f) Are A and B independent? Your answer should be "Y" or "N".
Click here to see answer by stanbon(75887)

Question 1031896: A certain lottery has 2828 numbers. In how many different ways can 44 of the numbers be selected?
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Question 1031899: A class has 30 students. In how many different ways can six students form a group for an activity?
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Question 1031948: there are 3 numbers in a locker combination :19, 22 and 28. In how many different ways can the numbers be arranged?
I got the answer as 3!=6 ways.. Is it correct? plz help
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Question 1031970: A set has 10 elements. How many i5f its 1024 distinct subsets have 3 elements each?
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Question 1031969: If there are 10 toys available for purchase and they are all different. How many distinguishable ways are there for Diane to buy 3 toys if she is sending them to 3 nephews living in 3 different households.
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Question 1031897: You volunteer to help drive children to a charity event at the zoo, but you can only fit 6 of the 19 children present in your van. How many different groups of 6 children can you drive?
Click here to see answer by fractalier(6550)

Question 1032041: In how many ways can a hand of 4 hearts be chosen from an ordinary deck.
Click here to see answer by Edwin McCravy(20054)

Question 1032424: In how many ways can 5 red, 3 blue, and 2 yellow books be arranged on a shelf with no restrictions? In how many distinguishable ways can 5 red, 3 blue, and 2 yellow books if books of the same color are identical?
Click here to see answer by ikleyn(52776)

Question 1032430: Serial numbers for a product are to be made using 3 letters followed by 2numbers. If the letters are to be taken from the first 5 letters of the alphabet with repeats possible and the numbers are taken from the digits 0 through 9 with no repeats, how many serial numbers can be generated?
Click here to see answer by stanbon(75887)

Question 1032432: An aerospace company has submitted bids on two separate federal government defense contracts. The company president believes that there is a 41% probability of winning the first contract. If they win the first contract, the probability of winning the second is 75%. However, if they lose the first contract, the president thinks that the probability of winning the second contract decreases to 50%.
A. What is the probability that they win both contracts?
Probability =
B. What is the probability that they lose both contracts?
Probability =
C. What is the probability that they win only one contract?
Probability =

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Question 1032434: An unbalanced coin shows heads 55% of the time.
(a) If the coin is tossed 12 times, what is the probability of heads on all tosses?

(b) Find the probability of at least one head in 12 tosses.
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Question 1032431: Approximately 14% of people are left-handed. If two people are selected at random, what is the probability of the following events?
A. P(Both are right-handed) =
B. P(Both are left-handed) =
C. P(One is right-handed and the other is left-handed) =
D. P(At least one is right-handed) =

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Question 1032390: In how many ways can five men and five women be seated
i. on a bench
ii. At a round table so that men and women occupy alternate seats
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Question 1032438: A class has 24 students, 17 girls and 7 boys. A team of 6 needs to be formed. How many ways can the team have two or more boys?
Click here to see answer by Edwin McCravy(20054)

Question 951423: Solve this: _+_+_=30 Fill the boxes using (1, 3, 5, 7, 9, 11, 13, 15) U can also repeat the numbers.
Click here to see answer by abhik143(1)

Question 1033080: Four processes are involved in assembling a certain product and they can be preformed in any order. The management wants to test each order to determine which is the least time consuming. How many different orders will have to be tested?
Click here to see answer by ikleyn(52776)

Question 1033161: ( )+( )+( )=30..using these ..1,3,5,7,9,11,13,15? ??????? Plzzz
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Question 1033161: ( )+( )+( )=30..using these ..1,3,5,7,9,11,13,15? ??????? Plzzz
Click here to see answer by Alan3354(69443)

Question 1033102: NPR = 336 and ncr = 56 Find r and n
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Question 1033276: there are 7 people at a round table with 5 seats. how many arrangements are possible? this is circular permutations of algebra 2.
Please help. i don't know how to solve it.
Thank you.
Tina
Click here to see answer by ikleyn(52776)

Question 1033275: there are 7 people at a round table with 5 seats. how many arrangements are possible? this is circular permutations of algebra 2.
Please help. i don't know how to solve it.
Thank you.
Tina
Click here to see answer by ikleyn(52776)

Question 1033195: In how many ways can a committee consisting of 4 faculty members and 5 students be formed if there are12 faculty members and 15 students eligible to serve on the committee?
Click here to see answer by richard1234(7193)

Question 1033026: In how many ways can 2 boys and 5 girls be seated in a row, such that the boys do not sit together?
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Question 1033553: Find the seventh term of (x+3)^9
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Question 1033553: Find the seventh term of (x+3)^9
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Question 1033553: Find the seventh term of (x+3)^9
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Question 1033524: An environmental organization has 19 members. Each member will be placed on exactly 1 of 4 teams. Each team will work on a different issue. The first team has 3 members, the second has 5, the third has 7, and the fourth has 4. In how many ways can these teams be formed?
Click here to see answer by ikleyn(52776)

Question 1033649: Bag A contains 15 marbles of which are 8 red and the rest are black. Bag B contains 14 marbles of which 4 are red and 3 are blue and the rest are black. A ball is drawn at random first from bag A, and second from bag B. If we make the random variable be black marbles (B).
A)Create a tree diagram...

Hi there I am just unsure how to start the tree diagram. I have two problems similar to this one but I need help on how to start it.
Click here to see answer by Theo(13342)

Question 1033913: Suppose that the random variable Y has probability distribution given by:

y p(y)
-2 0.08
4 0.54
8 0.38
What is the mean μ Y of Y ?
μ Y =
Click here to see answer by robertb(5830)

Question 1033961: Hi, I have no idea where to even start.
You own 10 CDs. You want to randomly arrange 5 of them in a CD rack. What is the probability that the rack ends up in alphabetical order? Be sure to leave your answer as a fraction in order to earn credit.

Click here to see answer by Edwin McCravy(20054)

Question 1034057: the coach of the chess team needs to choose 4 members of the chess club to represent the school at the district chess competition if there are 10 chess club members how many ways are there for the coach to choose the 4 team members ( in no particular order)

Click here to see answer by jorel555(1290)

Question 1034058: a history teacher assigned her class to write essays on two different us presidents chosen from among any of the first 44 presidents how many different 2 president combinations are there?
Click here to see answer by fractalier(6550)

Question 1034053: Sally has homework for six different subjects, how many orders can it be done in?
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Question 1034217: In a five-card poker hand, what is the probability of being dealt exactly one
nine and no picture cards and no picture cards?
Click here to see answer by stanbon(75887)

Question 1034232: help please!
Page : 587 # 9
Out of 100 employees at a company, 92 employees either work part time or work 5 days each week. There are 14 employees who work part time and 80 employees who work 5 days each week. What is probability that a randomly selected employee works both part time and 5 days each week?

Click here to see answer by robertb(5830)

Question 1034541:
Let a Permutation be defined as : input: 1 2 3 4 5 6 7 8 9 10 output: 6 9 2 7 4 10 1 9 5 3 find out the inverse of this permutation

Click here to see answer by Edwin McCravy(20054)

Question 1034758: a game system allows players to design a personal picture. Each picture is designed by choosing from male or female, 8 face shapes, 48 eyes, 12 noses, 24 mouths, and 82 hair styles. how many different pictures are possible?
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Question 1035050: Consider a standard deck of 52 cards. How many 5 card hands can be formed that include 2 hearts and 3 clubs
Click here to see answer by Edwin McCravy(20054)

Question 1035136: There are 8 teams in volleyball event. if the elimination round is made up of a single round robin, how many scheduled matches shall be there in the elimination round?
Click here to see answer by fractalier(6550)

Question 1035133: a motor company offers a choice of 4 body styles, 2 motors and 10 colors. how many car models can be offered by the motor company?
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Question 1035134: 25 math wizards are participating in math contest . in how many ways can there be a first, second and third places?
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Question 1035132: five people enter a 12 seater bus. in how many ways can they be seated?
Click here to see answer by ikleyn(52776)

Question 1035131: In how many ways can 5 men committee be formed 8 people?
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Question 1035054: Tomas volunteers 10 days in September to help the hungry. How many ways can he choose to volunteer?
Click here to see answer by Amrata1(11)

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