Find our list of Probability solutions available
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[Solution] Determine if the outcome is unusual. Consider as unusual any result that differs from the mean by mo #15259
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Solution: Using the following uniform density curve, answer the question. What is the probability that the ra #15260
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(Solved) A manufacturing company has 10 machines in continuous operation during a workday. The probability th #15352
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[Solved] A metropolitan school system consists of three districts-north, south, and central. The North distri #15353
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[Solved] A manufacturer of electronics products expects that 1% of units fail during the warranty period. A s #15389
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[Solution] A test for the presence of a certain disease has probability .05 of giving a false-positive reading #15390
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(Solved) A system consists of three components connected a) in series; c) the system is designed so that at l #15392
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[Solved] A certain system can experience three different types of defects. Let Ai, i = 1, 2, 3 denote the eve #15394
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[Solved] Find the probability that five cards chosen from a deck of 52 will contain: a) no aces, b) at least #15395
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(See Solution) Suppose that a box contains 3 red balls, 4 white balls, and 5 blue balls. Suppose also that balls ar #15398
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[Solution] The following table shows a partial probability distribution for the MRA Company’s projected profits #15536
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[Solution] Most computer languages have a function that can be used to generate random numbers. In Microsoft’s #15538
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(See Solution) A mortgage lender that buys mortgages from both priMeand sub-prime originators is studying the payme #15564
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[Solved] A thoroughbred horse-racing facility has opened a drive-through wagering booth. Research has shown t #15565
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Solution: On a recent English test, students were given the names of four authors and four novels (one author #15615
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(See Solution) You are to select two cards one at a time from a well-shuffled deck of 52 playing cards (jokers not #15616
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[Solution] The CAN Insurance Company charges a 21-year-old male a premium of $250 for a one-year $100,000 life #15617
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[Solved] On average, 70 percent of the passengers on a flight from San Francisco to Boston prefer chicken to #15618
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(Solved) In a clinical trial of Lipitor, a common drug used to lower cholesterol, 863 patients were given a t #15619
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[Solution] Suppose that the times requires for a cable company to fix cable problems in its customers’ homes ar #15622
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[Solved] A motel accepts 325 reservations for 300 rooms on May 25, expecting 10 percent no-shows on average f #15623
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(See Solution) A standard slot machine has three reels. The first reel has 3 walnuts, 7 cherries, 3 oranges, 5 lemo #15625
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[Solved] A week before the final exam, Professor Gottesman gives his students ten questions. At the beginning #15629
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(See Solution) The January 1986 mission of the Space Shuttle Challenger was the 25th such shuttle mission. It was u #15631
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(Solved) Assuming that the durations of the two phases are independent of one another, use the convolution fo #15691
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Solution: Find the Cumulative Distribution Function for T in the rst case. #15692
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[Solved] Write down without any further theoretical work what is the mean total duration of such a call. #15694
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[Solution] Last year, at Northern Manufacturing Company, 200 people had colds during the year. One hundred fift #15712
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Solution: Fast Service Store has maintained daily sales records on the various size “Cool Drink” sales. These #15713
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(Solved) Martin Manufacturing produces cases for personal computers and other electronic equipment. The quali #15714
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(Solved) An airline ticket counter has one line feeding into 2 ticket agents. The airline is considering addi #15815
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[Solution] A study of job satisfaction was conducted for four occupations: cabinetmaker, lawyer, physical th #15852
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(Solved) A stamp collectors club consists of 7 members. A. They are planning to choose a president, vice-pres #15884
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[Solution] A student arrives late for an in-class quiz and just guesses at the answers. There is one true false #15885
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[Solved] At a certain college, it is known that 34.2% of students read the school newspaper. You survey 14 st #15886
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Solution: A random sample of 12 players from the active roasters of the 30 Major League Baseball teams is to b #15932
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[Solution] The service manager for a new applications store reviewed sales records of the past 20 sales of new #15935
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[Solved] Survey your classmates about the number of siblings they have and the length of the last conversat #15937
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[Solution] A USA snapshot titled “are you getting a summer job?” (July 8, 2002) reported that 49% of high s #15939
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(See Solution) A USA Today article titled “Electronic world swallows up kids’ time, study finds” (March 10, 2005 #15940
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Solution: If you could stop tiMeand live forever in good health, what age would you pick? Answers to this q #15941
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Solution: Express the tossing of one coin as a probability distribution of x, the number of heads occurring #15942
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Solution: a. Explain how the various values of x in a probability distribution form a set of mutually exclu #15944
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[Solved] Test the following function to determine whether it is a probability function. P(x) = x²+ 5/50 #15945
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[Solution] Census data are often used to obtain probability distributions for various random variables. Cens #15946
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(Solved) Imelda Marcos has 2003 pairs of shoes. In how many different ways can she select a left shoe then a #16005
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[Solution] Mary has 15 short shorts and 11 sleeveless blouses. In how many different ways could she select a sh #16006
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Solution: Lisa visits Pet Refuge and finds 21 dogs and 13 cats she likes. In how many ways could she select ei #16007
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(See Solution) How many arrangements can be made from the 26 letters in the English alphabet by using: 2 different #16008
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Solution: Assume that a class pie eating is held where the only contestants are the following students: Jamie #16031
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[Solved] Each question on a 12 question multiple choice exam has 5 answers. If Pat guesses at all twelve answ #16033
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(Solved) A die is rolled three times. What is the probability of getting three aces? recall - An ace is the f #16098
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[Solved] A die is rolled three times. What is the chance that all three rolls show a face of three or more (m #16099
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[Solution] A vitamin supplement is being investigated to learn if it helps kangaroos learn to run a special maz #16107
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[Solved] A certain random variable X is distributed normal with ? = 2.0 and variance ?2 = 9. Samples of size #16109
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(See Solution) Consider a quality assessment of the manufacture of fuses. A consumer is interested in purchasing a #16110
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[Solved] Explain the difference between a discrete and a continuous random variable. Give two examples of eac #16162
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[Solution] Four cards are selected, one at a time from a standard deck of 52 cards. Let x represent the number #16164
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[Solution] Consider a binomial distribution with 14 identical trials, and a probability of success of 0.4 (4 pt #16169
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(Solved) Find the following probabilities: (4 pts) b. Events A and B are mutually exclusive events defined on #16172
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Solution: Classify the following as discrete or continuous random variables (4 pts) a. The number of Nursing m #16173
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Solution: A large shipment of TV sets is accepted upon delivery if an inspection of twelve randomly selected T #16176
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[Solved] The local roads commission has asked for your help in determining how badly traffic will #16237
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[Solved] The Happy Valley Machine Works Company loses a shipment of its machines due to an error by one of it #16238
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(See Solution) From past records, the director of a university’s computer labs knows that any one of the 12 PC’s in #16239
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[Solved] In exercises 9-12: use the data in the following table, which summaries results from 985 pedestrians #16248
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[Solution] In exercises 9-12: use the data in the following table, which summaries results from 985 pedestrians #16249
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[Solution] Explain the difference between a discrete and a continuous random variable. Give two examples of eac #16250
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[Solved] Consider a binomial distribution with 14 identical trials, and a probability of success of 0.4 (4 pt #16257
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Solution: Out of 800 families with 5 children how many would you expect to have: a). 3 boys, b). 5 girls, c #16322
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Solution: What is the probability of getting 9 exactly once in 3 throws of a pair of fair dice? #16323
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(See Solution) An area of a computer laboratory housing temperature sensitive equipment has temperature sensors ins #16326
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Solution: A tetrahedron is a fully-symmetric pyramid-like solid, with four faces made up of equal-sized equila #16336
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[Solution] (8) Gregor Mendel crossed two breeds of peas and examined the crop. He found 892 wrinkled green peas #16340
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Solution: a. If you know that 45% of the human population has black hair, and if you happened across a group o #16342
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[Solution] In Exercises 5-8, assume that women's heights are normally distributed with a mean given by 63 a #16384
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[Solution] Four cards are selected, one at a time from a standard deck of 52 cards. Let x represent the number #16467
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[Solution] Consider a binomial distribution with 14 identical trials, and a probability of success of 0.4 i. F #16472
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[Solved] Find the following probabilities: a. Events A and B are mutually exclusive events defined on a comm #16475
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Solution: In testing a new drug, researchers found that 5% of all patients using it will have a mild side effe #16477
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(See Solution) A large shipment of TV sets is accepted upon delivery if an inspection of twelve randomly selected T #16478
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(Solved) The probability of an accident occurring at a dangerous intersection during any hour is 5%. A local #16525
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[Solution] Suppose that P(E) = 0.76, P(F) = 0.45, and P(E and F) = 0.32. What is P (E or F)? #16534
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(See Solution) Assume that a procedure yields a binomial distribution with a trial repeated N times. Use table A-1 #16552
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(See Solution) A certain city has one morning newspaper and one evening newspaper. It is estimated that 20% of the #16563
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[Solution] A salesperson contacts eight potential customers per day. From past experience, we know that the pro #16569
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Solution: A life insurance company has determined that each week an average of seven claims is filed in its Na #16570
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(Solved) When a particular machine is functioning properly, 80% of the items produced are non-defective. If t #16571
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Solution: Ten percent of the items produced by a machine are defective. Out of 15 items chosen at random #16572
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[Solved] The Computer Systems Department has eight faculty, six of whom are tenured. Dr. Vonder, the chair, w #16580
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[Solution] Events A and B are mutually exclusive. The probability of event A occurring is 0.15; the probability #16586
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[Solved] Of 680 college students surveyed, 540 reported that they held a part-time job. What is the probabili #16587
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(Solved) Class Level/Job status None Part-time Full-time Freshman #16588
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Solution: P(A) = 0.40; P(B) = 0.25; the probability of both events occurring is 0.15. What is the probability #16589
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[Solved] What is the probability of obtaining a "1" or a "2" on a single throw of a fair die? #16590
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[Solved] A mortgage company has found that 2% of its mortgage holders default on their mortgage. Furthermore #16591
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[Solved] What is eight factorial (8!) equal to? #16592
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[Solved] What is the number of ways in which 7 items can be taken 4 at a time, without regard to order? #16593
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(See Solution) Based on the information in the chart above: STATE CHOICE I II #16602
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[Solved] Please answer each of the following questions to the best of your ability. There are four questions #16607
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[Solved] The standard medical treatment for a certain disease is successful in 60% of all cases. a. Suppose #16608
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Solution: The vehicle speeds at a particular interstate location can be described by a normal curve. The mean #16609
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