Find our abundant list of Probability step-by-step solutions available
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Solution: How many different ways can the letters in statistics be arranged? #14018
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[Solved] To eliminate costs Fly by Night Airlines reduced its senior management staff from 15 to 10. The comp #14019
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Solution: If 16 SMART cars are randomly selected, what is the probability that their mean mpg Will be at least #14023
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[Solution] A nationwide market research study was undertaken to determine the preferences of various age groups #14053
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[Solution] The probability that a salesperson will sell a magazine subscription to someone who has been randoml #14060
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[Solved] During the day, the traffic on North Monroe Street in Quincy is fairly steady, but the traffic condi #14079
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Solution: In a criminal justice class there are 34 students. Of these, there are 14 males, 4 of whom are crimi #14114
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[Solution] Number of Girls: A researcher reports that when groups of four children are randomly selected from a #14131
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[Solution] Identifying Binomial Distributions: In exercise 5-12, determine whether the given procedure results #14133
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(See Solution) Identifying Binomial Distributions: In exercise 5-12, determine whether the given procedure results #14134
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[Solved] Using computer Records: In exercises 25-28, refer to the Minitab display below. The probabilities we #14138
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[Solution] Using computer Records: In exercises 25-28, refer to the Minitab display below. The probabilities we #14139
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[Solved] Guessing Answers: Several economics students unprepared for a multiple choice quiz with 25 questions #14141
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[Solved] Cell Phones and Brain Cancer: When a study of 420,095 cell phones users in Denmark, it was found tha #14173
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[Solution] Gender Selection: In the test of the MicroSort gender-selection technique, results consisted of 295 #14175
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Solution: Pedestrians Walk Buttons: New York City has 750 pedestrian walk buttons that work, and another 2500 #14176
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[Solution] IRS Accuracy: The U. S. General Accounting Office tested the Internal Revenue Service for corr #14177
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[Solution] Probability of a Car Crash: Among 400 randomly selected drivers in the 20-24 age bracket. 136 were #14178
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[Solution] Selecting U. S Senators: In the 108th Congress, the Senate consists of 51 Republications, 48 De #14182
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Solution: Voice Identification of Criminal: In Riverside, New York, case, nine different crime victims listen #14183
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(Solved) Redundancy: The principle of redundancy is used when system reliability is improved through redundan #14184
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[Solved] Probability of At Least One Girl: (a) If a couple plans to have 10 children (it could happen), wha #14185
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Solution: Redundancy in Alarm Clock: A statistics professor wants to ensure that she is not late for an early #14186
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[Solution] Elected Board of Directors: There are 12 members on the board of directors for Newport General Hosp #14187
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[Solved] California Lottery: In California’s Super Lotto Plus Lottery game, winning the jackpot requires tha #14189
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[Solution] Movies Tonight is a typical video and DVD movie rental outlet for home viewing customers. During the #14211
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[Solved] Ocala Software Systems operates a technical support center for its software customers. If customers #14212
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(See Solution) City Cab, Inc., uses two dispatchers to handle requests for service and to dispatch the cabs. The te #14216
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[Solved] Marital distributions. Give the two marginal distributions for marital status and for job grade. Do #14272
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Solution: Conditional distribution. Give (in percents) the conditional distribution of job grade among single #14274
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(See Solution) A study in El Paso, Texas looked at seat belt use by drivers. Drivers were observed at randomly chos #14281
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[Solved] A new county hospital is attempting to determine whether it needs to add a particular specialist to #14344
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(Solved) There are 35 candidates (25 male and 10 female) to be interviewed for 5 senior management positions #14372
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[Solution] A family (definitely not one in Au Associates) wants to have four children. a. What #14374
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Solution: (7 points) At Au Associates, offering tropical bananas has been shown to be 85% effective in ke #14376
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[Solved] A certain airplane has two independent alternators to provide electrical power. The probability that #14415
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Solution: Of 31 college seniors at Southern Swampland University, 17 preferred pepperoni pizza, 12 preferred s #14464
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(Solved) A bag contains 6 purple marbles, 7 azure marbles and 10 orange marbles. What is the chance of drawin #14465
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Solution: According to the U. S. Census Bureau, the total 2008 U.S. population was 303,824,640. The chart belo #14467
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[Solved] A mini license plate for a toy car must consist of a letter followed by two numbers. Each letter mus #14468
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(Solved) For a trip a traveler packed 4 pairs of pants, 7 shirts, and 3 pairs of shoes. How many different ou #14469
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(Solved) A card is selected from a standard deck of 52 playing cards. Find the probability of selecting a) A #14470
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[Solution] Find the empirical probability that an iris bulb of this type will bloom. Give answer as a fraction #14471
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[Solved] In how many ways can 10 instructors be assigned to ten sections of a course in mathematics? #14472
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[Solution] Which pair has equally likely outcomes? List the letters of the two choices below which have equal p #14473
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[Solution] In how many different ways can the top ten new indie bands be ranked on a top ten list? The top hit #14474
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[Solved] How many different ways are there for a charitable organization to select a group of 6 members for a #14475
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[Solution] The Big Triple at the local racetrack consists of picking the correct order of finish of the first t #14517
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(See Solution) Forty percent of all business travelers carry a cell phone or a laptop. For a sample of 15 business #14603
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[Solution] A process produces 30% defective parts. Five pieces are selected at random for inspection. What is t #14657
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(Solved) A supplied lot contains 25 units with 4 non conformances. A sample of 2 is drawn without replacement #14661
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[Solution] A meat processing plant produces a meat patty whose advertised weight is 12 ounces. Experience shows #14663
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(See Solution) Three employees of a fast food outlet, Janet, Andrea and Bill fill orders at the drive through windo #14664
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(See Solution) A train station averages 6 arrivals per hour. Use the appropriate table to find the following probab #14665
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[Solution] A commuter arrives at the above station to catch a train. Although she doesn’t know its exact arriva #14666
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(See Solution) Let X, Y be independent random variables X˜Bi({m_1},{{π }_{1}}), Y˜Bi({m_2},{{π }_ #14776
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[Solved] We know the last 10 accident benefits related to motorbike insurance: 7, 1, 3, 5, 9, 18, 35, 1, 3, 1 #14777
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[Solved] Let X, Y be independent random variables X˜Bi({m_1},{{π }_{1}}), Y˜Bi({m_2},{{π }_ #14782
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[Solved] We know the last 10 accident benefits related to motorbike insurance: 7, 1, 3, 5, 9, 18, 35, 1, 3, 1 #14783
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[Solved] When 200 students were asked to pick a number from 1 to 10, the number of students selecting each nu #14842
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[Solved] At a large factory, the employees were surveyed and classified according to their level of education #14843
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[Solution] a. Harold and Maude plan to take a cruise together, but they live in separate cities. The crui #14844
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(See Solution) A soft drink bottling company maintains records concerning the number of unacceptable bottles of sof #14851
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Solution: A survey of undergraduate students in the School of Business at Northern University revealed the fol #14858
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Solution: When two dice are rolled, find the probability of getting (a) A sum of 5 or 6 (b) A sum greater than #14997
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(Solved) Car Purchases. There is a 0.39 probability that John will purchase a new car, a 0.73 probability tha #14998
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[Solved] Borrowing Books. Of Americans using library services, 67% borrow books. lf 5 patrons are chosen at r #14999
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[Solution] Coin Toss and Card Drawn. A coin is tossed and a card is drawn from a deck. Find the probability of #15000
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[Solved] An examination consists of 20 multiple choice questions. Each question has five possible answers. A #15065
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[Solution] A survey 65% of Americans said they own an answering machine. If 20 Americans are selected randomly #15068
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[Solution] Each year, ratings are compiled concerning the performance of new cars during the first 90 days o #15108
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(Solved) In 35 of the 56 years from 1950 through 2005, the SP 500 finished higher after the first 5 days o #15109
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[Solution] If a coin is tossed 20 times, what is the probability that at least twelve of the tosses are Tails? #15142
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[Solution] Suppose the average number of push-ups a fifth grade student can do in 1 minute is 10 with a standar #15144
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[Solution] Using the information from question 10, what is the probability that the average number of push-ups #15145
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(See Solution) A sample of 500 respondents was selected in a large metropolitan area to study consumer behavior #15150
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(See Solution) The owner of a restaurant serving Continental-style entrees was interested in studying ordering #15151
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(Solved) Priority Mail is the U.S. Postal Service's alternative to commercial express mail companies such #15152
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[Solution] Cinema advertising is increasing. Normally 60 to 90 seconds long, these advertisements are longe #15153
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Solution: Refer to Problem 5.61. For television advertisements, using the given probability of recall, 0.3 #15154
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[Solution] Credit card companies are increasing their revenues y raising the late fees charged to their cus #15155
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[Solution] What is the probability that a salesperson selected at random has above average sales ability and is #15186
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[Solved] Suppose you are the coach of a church basketball team and are asked how many ways you can assign pos #15188
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Solution: For Problems 9-11, refer to the information below. A small real estate company that specializes in r #15222
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[Solved] For Problems 9-11, refer to the information below. A small real estate company that specializes in r #15223
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(Solved) For Problems 9-11, refer to the information below. A small real estate company that specializes in r #15224
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Solution: If three dice are rolled in succession (roll one die then roll the next then roll the third die), wh #15225
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[Solution] A standard deck of cards consists of 52 cards. There are 13 red hearts, 13 red diamonds, 13 black c #15226
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(See Solution) For Problems 14 and 15 refer to the following information. A major corporation has sales branches in #15227
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[Solved] For Problems 18-21, refer to the following information. Packages that contain one tiny pot with one #15230
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[Solved] For Problems 18-21, refer to the following information. Packages that contain one tiny pot with one #15231
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(Solved) Express the indicated degree of likelihood as a probability value. You cannot determine the exact de #15237
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[Solution] Find the indicated probability. On a multiple choice test, each question has 7 possible answers. if #15238
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[Solution] Find the indicated probability. Based on meteorological records, the probability that it will snow i #15241
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(See Solution) If you pick a card at random from a well shuffled deck, what is the probability that you get a face #15242
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[Solution] A bag contains 7 red marbles, 3 blue marbles, and 1 green marble, Find P(not blue). #15243
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[Solution] Identify the given random variable as being discrete or continuous. The height of a randomly selecte #15246
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(Solved) Assume that there is a 0.05 probability that a sports playoff series will last four games, a 0.45 pr #15251
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[Solution] Assume that a procedure yields a binomial distribution with a trial repeated n times. Use the binomi #15252
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[Solution] A test consists of 10 true/false questions. To pass the test a student must answer at least 7 questi #15253
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[Solved] A company purchases shipments of machine components and uses this acceptance sampling plan: Randomly #15254
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Solution: Find the mean, for the binomial distribution which has the stated values of n and p. Round answer to #15255
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