Explore our large collection of Probability solutions available
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(Solved) The twelve (12) person Community Theater Group produces a yearly musical. Club members select one (1 #13266
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[Solved] A password for a computer consists of 3 different letters of the alphabet followed by 4 different di #13267
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Solution: A combination of four is to be randomly selected from a group of seven teachers and eight students. #13269
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[Solved] Secured doors at the airport and other locations are opened by pressing the correct sequence of numb #13270
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[Solution] A large research hospital has accumulated statistical data on its patients for an extended peri #13273
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(Solved) Two law firms in a community handle all the cases dealing with consumer suits against companies #13274
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Solution: The Senate consists of 100 senators, of whom 34 are Republicans and 66 are Democrats. A bill to #13275
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Solution: A metropolitan school system consists of three districts - north, south, and central. The north #13276
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(Solved) How do we define the probability of a given event? #13310
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Solution: How do we compute the probability that either of two events will occur? Illustrate this with a sampl #13312
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(See Solution) If n =8, r = 3, and p = 0.5, what is the probability of exactly 3 tails in 8 coin tosses? To do this #13356
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(See Solution) Using the IQ example from the textbook (Ch. 2), what is the probability that someone will have an IQ #13357
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[Solved] If A and B are mutually exclusive events and the P(A) = .15 and the P(B) = .55, what is the P(event #13358
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[Solved] The probability of drawing the seven of clubs from a standard 52 card deck is ____. #13363
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[Solution] If P(A) = 0.2 and P(B) = 0.5 and the events A and B are mutually exclusive, then the P(A or B) is___ #13364
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[Solution] Find the probability that there will be exactly 4 heads in six coin flips. You may use Eq. 2.11 or t #13365
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(Solved) Aisha has five different job interviews to schedule for next week. If we call the five companies A #13366
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(Solved) Assume the likelihood that any flight on Northwest Airlines arrives within 15 minutes of the schedul #13371
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[Solution] An internal study by the Technology Services department at Lahey Electronics revealed company employ #13372
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[Solved] Let P(E) = 0.25 and P(F) = 0.45 Find P(E and F) if P(E or F) = 0.6 #13392
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[Solved] Let P(E) = 0.25 and P(F) = 0.45 Find P(E and F) if E and F are mutually exclusive. #13393
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[Solution] Let P(E) = 0.25 and P(F) = 0.45 Find P(Fc) #13394
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Solution: What is the probability of obtaining 4 ones in a row when rolling a fair, six-sided die? Interpret t #13399
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(Solved) Suppose that E and F are two events and that P(E and F) = 0.21 and P(E) = 0.4. What is P(FE)? #13400
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[Solution] (i) Suppose a single card is selected from a standard 52 - card deck. What is the probability that #13401
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[Solved] Find the probabilities for the following discrete random variables (20 pts) a. A large company has #13404
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(See Solution) A corporate executive officer is attempting to arrange a meeting of his three presidents for tomorro #13405
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[Solved] Find the probabilities for the following discrete random variables (20 pts) a. A homeowner plants 6 #13406
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[Solved] A manufacturing company has 10 machines in continuous operation during a workday. The probability th #13429
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Solution: A metropolitan school system consists of three districts-north, south, and central. The North distri #13430
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[Solution] Blood Groups and Types: If one person is randomly selected, find the probability of getting someone #13441
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Solution: Blood Groups and Types: If one person is randomly selected, find the probability of getting someone #13442
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[Solution] Blood Groups and Types: If one person is randomly selected, find P (not type Rh+) #13443
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[Solution] An electronic system with three components is represented by the diagram below. The system functions #13447
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[Solved] Fred is a beagle “sniffer” dog at a cargo handling depot. Fred is 95% reliable in detecting contraba #13448
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[Solved] Fred is a beagle “sniffer” dog at a cargo handling depot. Fred is 95% reliable in detecting contraba #13450
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Solution: The number of days in a working week, N, for which a lift has a problem has the following distributi #13451
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[Solution] The number of days in a working week, N, for which a lift has a problem has the following distributi #13452
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[Solved] A filter for a certain water purifier has a life (in days) with a probability density function (pdf) #13453
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(Solved) Suggest a distribution that could be suitable for the variable: the number of students in a class wh #13454
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(See Solution) Suggest a distribution that could be suitable for the variable: the waiting time for a computer in t #13456
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[Solution] It is assumed that the times between heavy vehicles at a check-point on a highway are independent an #13457
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[Solution] It is assumed that the times between heavy vehicles at a check-point on a highway are independent an #13458
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[Solution] If a random variable follows a Poisson distribution with ? = 20 and t = ½ find the a. Expect #13464
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(See Solution) How is the shape of the binomial distribution changed for a given value of p as the simple size is i #13465
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[Solution] A basketball team has 10 players. Five are seniors, 2 are juniors, and 3 are sophomores. Two players #13466
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Solution: An event occurs with probability P(E1) = 0.35, P(E2) = 0.15, P(E3) = 0.40. If the event B occurs, t #13467
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(Solved) A new phone answering system installed by the Ohio Power Company is capable of handling five calls e #13468
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[Solved] Arrivals to a bank ATM machine are distributed according to a Poisson distribution with a mean equal #13469
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(Solved) List four criteria that constitute a binomial probability experiment. #13478
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[Solution] An industrial psychologist administered a personality inventory test for passive-aggressive traits t #13480
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Solution: Determine if the following situation represent a binomial probability experiment. If not, state why #13486
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[Solution] The weight of parcels received at a warehouse loading dock is normally distributed with a mean of 30 #13582
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(Solved) A computer password consists of 5 characters and each character can be either a one digit number fro #13599
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[Solution] In a multiple choice quiz, with 6 questions, each question has 5 possible answers of which 1 is the #13600
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[Solution] If you flip a coin 9 times, find the probability of getting exactly 5 heads. #13601
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[Solved] You have applied for a job and are told by the interviewer that the probability of your being hired #13634
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(Solved) A Gulf Coast travel park has the following accommodations: Facilities #13636
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Solution: Brendalee and Mohammed go to a coffee shop during their lunch break and toss a coin to see who will #13637
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Solution: The expected number of heads in 160 tosses of an unbiased coin is? #13638
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Solution: The listed occupations of stockholders of a regional electric utility company included 9 percent who #13640
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[Solution] Given a binomial random variable with n = 15 and = 0.4, find the following probability: P (6 < x < 1 #13641
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[Solved] Suppose that you purchased (randomly select) 3 laptops from a production run of 10 laptops. Of the 1 #13656
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[Solved] In a clinical trial of Lipitor, a common drug used to lower cholesterol, 863 patients were given a t #13657
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[Solved] On average, 70 percent of the passengers on a flight from San Francisco to Boston prefer chicken to #13659
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[Solution] Customers arrive at a bank at the mean rate of 15 per hour. The exponential probability distribution #13661
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[Solved] A local law enforcement agency claims that the number of times that a patrol car passes through a pa #13670
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(Solved) Prove that the product of two probability matrices is a probability matrix. (hint: use exercise 15.) #13725
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(Solved) Given X ~ U(0,3) and function g(x)={ x 0≤ x≤ 2 , 2 2≤ x≤ 3 #13747
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[Solved] Three employees of a fast food outlet, Janet, Andrea and Bill fill orders at the drive through windo #13783
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(See Solution) Cars pass through the toll booth on the turnpike at an average rate of 30 cars per hour. Use this in #13943
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[Solved] It takes 50 minutes to take this exam. Use this information for problems 9-11. What is the probabili #13945
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[Solved] It takes 50 minutes to take this exam. Use this information for problems 9-11. What is the probabili #13946
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Solution: It takes 50 minutes to take this exam. Use this information for problems 9-11. What is the probabili #13947
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(Solved) Approximately 35% of students change their major during their college career. 15 students are random #13948
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(Solved) Approximately 35% of students change their major during their college career. 15 students are random #13949
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[Solution] Approximately 35% of students change their major during their college career. 15 students are random #13950
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(See Solution) Approximately 35% of students change their major during their college career. 15 students are random #13951
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Solution: Last week, 20 classes were offered in the evening division. 15 of them were closed (full) before reg #13952
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[Solution] The Lynn Cafeteria offers 3 kinds of salad greens, 12 toppings and 4 varieties of dressing. How many #13953
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[Solved] Suppose that 46% of families living in a certain county own a car and 18% own an SUV. The Addit #13960
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[Solved] A consumer organization estimates that over a 1-year period 17% of cars will need to he repaire #13961
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[Solution] Consider again the auto repair rates described in Exercise 19. If you own two cars, what is the #13962
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(Solved) You roll a fair die three times. What is the probability that a) you roll all 6's? b) you roll #13963
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[Solved] A certain bowler can bowl a strike 70% of the time. What is the probability that she a) goes th #13964
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[Solved] A check of dorm rooms on a large college campus revealed that 38% had refrigerators, 52% had TVs #13965
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[Solved] According to the USGA, the diameter of a golf ball shall not be less than 1.680 inches. Periodically #13987
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(Solved) Suppose the time it takes to load a truck at a loading dock is exponentially distributed. An average #13989
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[Solution] A sample of 7 randomly selected light bulbs was taken from a bin containing 10000 bulbs and inspecte #13990
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[Solution] A small shop averages 5 customers per half hour. Given this information, find the following probabil #13991
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[Solved] A meat processing plant produces a meat patty whose advertised weight is 12 ounces. Experience shows #13992
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Solution: A small shop averages 5 customers per half hour. Given this information, find the following probabil #13995
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[Solved] A meat processing plant produces a meat patty whose advertised weight is 12 ounces. Experience shows #13996
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(Solved) A survey of 2000 randomly selected voters before a recent election revealed that 1650 would vote for #14000
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[Solved] A survey of 1000 randomly selected consumers found that 130 had at most one credit card, 575 had bet #14001
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[Solution] Three employees of a fast food outlet, Janet, Andrea and Bill fill orders at the drive through windo #14002
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[Solved] A personnel officer for a firm that employs many part time salespeople tries out a sales aptitude te #14010
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(See Solution) Assume that the probabilities that the Dow Jones stock index increases today is 0.54, that it increa #14011
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[Solved] As input into his pricing policy, the owner of an appliance store is interested in the relationship #14012
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[Solved] Suppose 5% of the microchips produced by a leading microchip manufacturer are defective. An inspecto #14014
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[Solved] A study was conducted to determine whether there were significant differences between medical studen #14016
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[Solved] Would it be unusual to randomly select 10 special programs medical students and get 7 or less 7 that #14017
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