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Solution: Let X and Y be two random variables representing the numbers that come up on two dice. Let Z = X+Y. #20141
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[Solved] Show that E(CX) = CE(X) for any random variable X and any constant #20142
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[Solved] Show that Var(cX) = c2Var(X) for any random variable X and any constant c. #20143
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(Solved) Show that E(X + Y + Z) = E(X) + E(Y) + E(z), for any three random variables X, Y, and Z. #20144
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[Solution] (show all work) Find a Matrix A such that 2 3 3 0 A = 1 4 1 2 #20181
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[Solution] All human blood can be “ABO-typed” as one of O, A, B or AB, but the probability distribution of the #20192
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[Solution] The table below describes (approximately) the distribution of students by gender and college at a #20194
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Solution: Acme Tires manufactures two types of tires: high performance tires and all weather tire #20222
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(See Solution) Acme has specially made containers they use for shipping; each container contains 48 ti #20224
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(See Solution) On the average day, Acme receives 13 valid warrantee claims on their tires. Calculate t #20225
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(Solved) A certain airplane has two independent alternators to provide electrical power. The probability that #20254
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(Solved) The probability is 1 in 4,000,000 that a single auto trip in the United States will result in a fata #20255
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(Solved) P(A1) = .2-, P(A2) = .40 and P(A3) = .40. P(B1|A1) = .25, P(B1|A2) = .05, and P(B1|A3) = .10. Use Ba #20267
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[Solved] Dr. Stallter has been teaching basic statistics for many years. She knows that 80 percent of the stu #20268
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[Solved] One-fourth of the residents of the Burning Ridge Estates leave their garage doors open when they are #20269
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[Solved] A Tamiami shearing machine is producing 10 percent defective pieces, which is abnormally high. The q #20270
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Solution: Suppose 1.5 percent of the antennas on new Nokia cell phones are defective. For a random sample of 2 #20271
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[Solved] If approximately 50% of the population are male [Pr (male) = 0.5], 30% of the population are obese [ #20293
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[Solved] Let x follow a discrete distribution as illustrated in the table below, (a) What is the Pr(X=0)? (b #20295
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[Solved] The Niagra corporation is considering two mutually exclusive projects. Both require an initial outla #20312
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[Solved] Western Widgets Works manufactures 40% of its wicker widgets in Albuquerque, 30% in Bakersfield, 20% #20321
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[Solved] Bed Linens Bonanza has an outlet store that sells its overstocked items. Currently, they have the fo #20323
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[Solved] The average amount of time prospective students and parents spent on the required paperwork and supp #20336
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[Solution] Mario’s Pizza Parlor has just opened. Due to a lack of employee training, there is only a 0.80 proba #20376
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[Solved] License plates are made using 3 letters followed by 2 digits. How many different plates can be made #20381
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Solution: In 2001 the stock market took some big swings up and down. One thousand investors were asked how oft #20382
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(Solved) a. In a battleground state, 36% of all voters are Republicans. Assuming that there are only two part #20383
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[Solved] The table below shows the drink preferences for people in 3 different age groups. If one of the 255 #20384
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Solution: a. The table below shows the drinking habits of adult men and women. Non-Drinker Occasional Dr #20385
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[Solution] Decide whether the random variable is discrete or continuous. (a) The number of bottles of water sol #20386
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[Solved] In a local college, 20% of the math majors are women. Ten math majors are chosen at random. (1 point #20389
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(Solved) A multiple choice test has 20 questions with each having 4 possible answers with one correct. Assume #20390
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(See Solution) Find the probabilities. a. From National Weather Service records, the annual snowfall in the TopKick #20395
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[Solved] A local energy provider offers a landowner $180,000 for the exploration rights to natural gas on a c #20538
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[Solved] A recent study reported that the prevalence of hyperlipidemia (defined as total cholesterol over 200 #20541
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[Solution] Hyperlipidemia in children has been hypothesized to be related to high cholesterol in their parents. #20542
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[Solved] The length of time it takes students to complete a statistics examination is uniformly distributed a #20547
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[Solution] Assume that you have a binomial experiment with p = 0.5 and a sample size of 100. The expected value #20548
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[Solved] The salaries at a corporation are normally distributed with an average salary of $19,000 and a stand #20551
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(See Solution) How would your optimal bid change if the competitors range changed and was now 2 to 3.5 million doll #20741
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[Solved] Find the following probabilities: (A) Events A and B are mutually exclusive events defined on a com #20768
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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 #20771
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(Solved) A Harris Interactive survey for InterContinental Hotels and Resorts ask respondents, “when traveling #20887
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(See Solution) Telephone calls arrive at the rate of 48 per hour at the reservation desk for Regional Airways. a. F #20888
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[Solved] What is the probability of randomly selecting one blue sock from a drawer that contains 5 blue socks #20902
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(See Solution) A medical study involves the subjects summarized in the accompanying table. If 1 subject is randomly #20980
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[Solution] According to the Bureau of Census data, among mothers who begin working 30.6% have less than a high #20981
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[Solved] According to the National Highway Traffic Safety Administration 66% of California motorists use seat #20985
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[Solved] List all the permutations possible, using the letters A, B and C.(rearrange them by one, two and thr #20986
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[Solved] Suppose you have 3 pancakes. One is golden on both sides, one is brown on both sides, and one is gol #21030
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Solution: Describe the difference between classical and empirical probabilities. #21031
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[Solution] You wish to play a 3-number lottery with your favorite date: 8/25. Use computer software to assist i #21032
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[Solved] Discuss the differences between a continuous and a discrete random variable. Give 3 examples of each #21039
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[Solution] Use computer software to complete the following: Create a probability distribution for a coin flippi #21040
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[Solved] Use your example from part 2 to set up a binomial distribution. Find the probability based on your d #21041
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(See Solution) The Computer Systems Department has eight faculty, six of whom are tenured. Dr. Vonder, the chair, w #21047
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[Solved] Suppose that Roberto, a well-known major league baseball player, finished last season with a .325 ba #21091
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[Solved] Sandy's Pet Center grooms large and small dogs. It takes Sandy 40 minutes to groom a small dog and 7 #21101
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[Solved] In the Willow Brook National Bank waiting line system (see problem 1) assume that the service times #21155
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[Solution] In each of the following cases, indicate whether classical, empirical, or subjective probability is #21213
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[Solution] You toss two dice and compute the “difference,” which you will define to be the larger top number mi #21227
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(See Solution) The following table gives participation in selected sports activities in 1998, in thousands, for per #21230
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[Solved] Suppose we pick one card at random from a standard deck of 52 cards. Let K represent the event, “the #21231
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(See Solution) Assume the likelihood that any flight on Northwest Airlines arrives within 15 minutes of the schedul #21247
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[Solution] An internal study by the Technology Services department at Lahey Electronics revealed company employ #21248
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[Solved] Find the probabilities. a. From National Weather Service records, the annual snowfall in the TopKick #21264
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[Solved] In the Willow Brook National Bank waiting line system (see Problem 1), assume that the service times #21270
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(See Solution) What is the probability that the cereal would be high calorie? In other words, what is P(high calori #21306
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[Solved] What is the probability that the cereal would be high fiber? In other words, what is P(high fiber)? #21307
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[Solution] What is the probability that a cereal would both high calorie and high fiber? In other words, what i #21308
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[Solved] What is the probability that a cereal would either high calorie or high fiber? In other words, what #21309
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(Solved) What is the probability that a cereal would be high calorie, given that it is high fiber? In other w #21310
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[Solved] The Garrick, Hadley, and Irwin accounting firm has found that 60% of its clients' customers resp #21316
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[Solved] In a population of executives (population A), 35% say that when they fly they prefer a certain a #21320
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[Solved] If 23% of all commuters ride to work in car pools, find the probability that if eight worker #21322
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[Solved] Sleep survey. According to a recent survey 38% of American get 6 hours of sleep or less of sleep eac #21356
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Solution: Explain the difference between mutually exclusive events and independent events. Once again, do not #21362
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[Solution] Two distinct fair dice are rolled at the same tiMeand the number of dots appearing on both are count #21368
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[Solution] A card is selected from an ordinary deck of 52 cards. What is the probability of getting A.) a diamo #21369
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[Solved] Two cards are drawn from a standard deck of 52 cards and the first is not replaced before the second #21370
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Solution: Find the probability a couple with 5 children have no more than 2 girls. Solution: Using the countin #21372
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(See Solution) How many different ways can eight computer operators be seated in a row? #21373
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(See Solution) Southwest Elementary School uses school buses supplied by companies A, B and C. The probability that #21374
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[Solved] Southwest Elementary School uses school buses supplied by companies A, B and C. The probability that #21376
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[Solved] Southwest Elementary School uses school buses supplied by companies A, B and C. The probability that #21377
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[Solved] The US compiles enrollment data on public schools and reports the info. The following frequency dist #21412
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(Solved) A survey of a number of the leading brands of cereal shows that the mean content of potassium per se #21427
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Solution: If a subject is randomly selected from the population described in problem 1, find the probability o #21470
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Solution: If a subject is randomly selected from the population described in problem 1, find the probability o #21471
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[Solution] If a subject is randomly selected from the population in problem 1, find the probability of getting #21472
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[Solution] If a subject is randomly selected from the population in question one, find the probability of getti #21473
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[Solved] Since 1967 through 2008 the indicator has been correct 33 of 42 times. Assuming that this indicator #21511
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[Solved] A certain solid-state component has a lifetime (or failure time), in hours, X ~ exponent #21567
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[Solution] The probability that a certain baseball player gets a hit is 0.3. Assume that times at b #21568
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[Solution] At a computer store, the annual demand for a particular software package is a discrete ra #21570
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Solution: You are walking along the river and decide to drink water from an irrigation pipe marked, “Not potab #21590
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Solution: Yahtzee is a game where you roll 5 dice and get different points depending on the values of the dice #21591
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(Solved) The length of time a coworker takes for lunch can be modeled by the following continuous distributio #21592
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[Solved] [5+5+5 = 15 pts] Suppose that Y has density function a. Find the value of k that makes f(y) a pro #21922
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(Solved) The temperature Y at which a thermostatically controlled switch turns on has probability density fun #21923
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[Solved] From a group of three Republicans, two Democrats, and one independent, a committee of two people is #21927
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[Solution] The joint probability density function for the random variables Y1 and Y2 is given by Show that Cov #21928
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