Tutors Answer Your Questions about Permutations (FREE)
Question 1197329: A manager interview in random order five candidates for a promotion. What is the probability that the most
experienced candidate will be interviewed first followed by the second most experienced candidate?
Click here to see answer by Boreal(15235)  |
Question 1197329: A manager interview in random order five candidates for a promotion. What is the probability that the most
experienced candidate will be interviewed first followed by the second most experienced candidate?
Click here to see answer by ikleyn(52776)  |
Question 1197363: A focus group of four members is to be randomly selected from an engineer team consisting of five engineers and seven technologists.
a) What is the probability that the focus group will be comprised of engineers only?
b) What is the probability that the focus group will be comprised of 2 engineers and 2 technologists?
c) What is the probability that the focus group will have at least 2 technologists?
Click here to see answer by ikleyn(52776)  |
Question 1197379: Six students are to line up for a photograph.
a) In how many ways can the 6 students standing in a line be arranged?
b) In how many ways can the 6 students standing in a line be arranged if Jill must be first?
c) In how many ways can 6 students standing in a line be arranged if Jill must be first and Meera last?
Click here to see answer by ikleyn(52776)  |
Question 1197462: How many different professionals committees of 10 people can be formed, each containing at least 2 Professors, at least 3 Managers and 3 ICT Experts from list of 10 Professors, 6 Managers and 8 ICT Experts?
Click here to see answer by ikleyn(52776)  |
Question 1197569: In a recent election there were 1000 eligible voters. They were asked to on two issues, A and B. The results were as follows: 200 people voted for A, 400 people voted for B, and 25 people voted for A and B. If one person is chosen at random from the 1000 eligible voters, find the following probabilities:
1. The person voted for A, given that they voted for B.
Answer:
2. The person voted for B, given that they voted for A.
Answer:
Click here to see answer by math_tutor2020(3816) |
Question 1197574: Two marbles are drawn randomly one after the other without replacement from a jar that contains 9 red marbles, 9 white marbles, and 3 yellow marbles. Find the probability of the following events.
(a) A red marble is drawn first followed by a white marble.
The probability is:
(b) A white marble is drawn first followed by a white marble.
The probability is:
(c) A yellow marble is not drawn at all.
The probability is:
Click here to see answer by greenestamps(13198)  |
Question 1197598: A recent survey showed that among 775 randomly selected subjects who completed 4 years of college, 162 smoke and 613 do not smoke. Determine a 95% confidence interval for the true proportion of the given population that smokes.
95% CI: to
Click here to see answer by ewatrrr(24785)  |
Question 1197599: A random sample of 800 home owners in a particular city found 232 home owners who had a swimming pool in their backyard. Find a 95% confidence interval for the true percent of home owners in this city who have a swimming pool in their backyard. Express your results to the nearest hundredth of a percent.
Answer: to %
Click here to see answer by ewatrrr(24785)  |
Question 1197597: A charity holds a raffle in which each ticket is sold for $30. A total of 9600 tickets are sold. They raffle one grand prize which is a Mercedes Benz E350 valued at $60000 along with 5 second prizes of Ducati motorcycles valued at $15000 each.
What are the expected winnings, in dollars, for a single ticket buyer? Your answer should be accurate to two decimal places (i.e. to the nearest cent).
Answer: $
Click here to see answer by greenestamps(13198)  |
Question 1197852: Katie thinks that people living in a rural environment have a healthier lifestyle than other people. She believes the average lifespan in the USA is 77 years. A random sample of 16 obituaries from newspapers from rural towns in Idaho give 𝑥¯=80.38 and 𝑠=1.16 s=1.16. Does this sample provide evidence that people living in rural
Idaho communities live longer than 77 years?
State the null and alternative hypotheses:(Type "mu" for the symbol μ, e.g. mu >1 for the mean is greater than 1, mu <1 for the mean is less than 1, mu not = 1 for the mean is not equal to 1)
H0:
Ha :
(b) Find the test statistic, t =
(c) Answer the question: Does this sample provide evidence that people living in rural Idaho communities live longer than 77 years? (Use a 10% level of significance)
(Type: Yes or No)
Click here to see answer by ewatrrr(24785)  |
Question 1198366: How many different 4-letter permutations can be formed from the letters in the word REPRESENT?
I know that if I want deffrent letter it would be permutation
like 6P4 = 360
but how about the repeated letters like the E 3 times and r 2 times?
Click here to see answer by ikleyn(52776)  |
Question 1198366: How many different 4-letter permutations can be formed from the letters in the word REPRESENT?
I know that if I want deffrent letter it would be permutation
like 6P4 = 360
but how about the repeated letters like the E 3 times and r 2 times?
Click here to see answer by ewatrrr(24785)  |
Question 1198366: How many different 4-letter permutations can be formed from the letters in the word REPRESENT?
I know that if I want deffrent letter it would be permutation
like 6P4 = 360
but how about the repeated letters like the E 3 times and r 2 times?
Click here to see answer by Edwin McCravy(20054)  |
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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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