Find our large collection of Probability step-by-step solutions available
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Solution: How many ways can 6 people be chosen and arranged in a straight line if there are 8 people to choose #9466
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[Solved] The time it takes to hand carve a guitar neck is uniformly distributed between 110 and 190 minutes #9469
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[Solved] The length of time patients must wait to see a doctor in a local clinic is uniformly distributed bet #9470
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[Solution] The time it takes to completely tune an engine of an automobile follows and exponential distribution #9472
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[Solved] Ricon, Inc. uses an assembly line to produce its office copiers. The final step in the assembly proc #9485
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[Solved] In the game Over-and-Under, a pair of dice is rolled and one bets $1 whether the sum of dots showing #9544
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(Solved) A box contains 4 defective and 8 good light bulbs. If 3 bulbs are selected at random. What is the pr #9545
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(Solved) Four percent of the items coming off an assembly line are defective. If the defective items occur ra #9546
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[Solved] What is an example of binomial probability? #9555
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[Solved] What is an example of probability distributions and expected value? #9556
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[Solution] Out of 62 people surveyed, 22 own a laptop computer, 39 own a desktop, and 9 own no computer at all. #9612
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(Solved) The student council at one high school must choose two representatives from each of the sophomore, j #9613
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(See Solution) Chandra has 10 pieces of jewelry in her jewelry box. She wants to take 4 pieces with her on vacation #9614
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[Solution] Ronnie owns a firework stand and knows that in the fireworks business, 1 out of every 13 fireworks a #9615
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[Solution] On a small university campus, research indicates that the proportion of people who use an Apple comp #9616
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(See Solution) Four cards are selected, one at a time, from a standard deck of 52 cards. Let x represent the number #9624
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[Solved] A fund manager is considering investment in the stock of a health care provider. The manager’s asses #9737
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[Solution] A department store manager has monitored the number of complaints received per week about poor servi #9738
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Solution: It was estimated that 30% of all seniors on a campus were seriously concerned about employment prosp #9739
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(Solved) (a) A very large shipment of parts contains 10% defectives. Two parts are chosen at random from the #9743
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[Solved] A student needs to know details of a class assignment that is due the next day and decides to call f #9744
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Solution: A college basketball player who sinks 75% of his free throws comes to the line to shoot a “one and o #9745
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[Solved] The jurisdiction of a rescue team includes emergencies occurring on a stretch of river that is 4 mil #9748
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(See Solution) A poll of 1000 randomly selected students in grades 6 through 8 was conducted and found that 34% enj #9791
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(Solved) What do you conclude about the claim below? Do not use formal procedures or exact calculations. Use #9800
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(Solved) A letter is selected at random from the word “MISSISSIPPI”. (a) What is the sample space for this ex #9816
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(Solved) (Heads and Tails) An experiment consists of tossing a coin two times and observing the sequence of h #9817
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Solution: Jim is considering pursuing an MS degree in Information Systems. He has applied to two di #9829
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[Solution] Male (M) Female (F) Jobs Admin. (AD) 110 10 Salaried Staff (SS) 30 50 Hourly st #9830
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(See Solution) A fair die is rolled 8 times. What is the probability that an even number (2, 4, 6) will #9831
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[Solution] Jim is considering pursuing a MS in Information Systems degree. He has applied to two different univ #9835
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(Solved) Jim is considering pursuing a MS in Information Systems degree. He has applied to two different univ #9836
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(See Solution) Given the following random number ranges and the following random number sequence: 62 13 25 40 86 9 #9840
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[Solved] Population of consumers where 30% of them favored a new product and 70% of them disliked it. If 20 p #9855
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Solution: Accidents at a chemical plant occur at a rate of 1.9 per month find a the expected number of accide #9856
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Solution: Which of the following statements is false? A). The first quartile, Q,1 is a number such that at mo #9872
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[Solution] A study in El Paso, Texas looked at seat belt use by drivers. They are observed at randomly chosen c #9874
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[Solved] Researchers at a pharmaceutical company have found that the effective time duration of a safe dosage #9880
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[Solution] Cyrus Binfiller, loading dock foreman at the Prescott Aluminum Casting Company knows that when he ge #9959
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[Solution] According to the Federal Railroad Administration the average rail fare per passenger is about .17 ce #9967
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(See Solution) A deck of cards is shuffled and a card is dealt. The remaining cards are shuffled and another card i #9991
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(See Solution) Two randomly selected grocery store patrons are each asked to take a blind taste test and to then st #9994
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[Solved] Each month a brokerage house studies various companies and rates each company's stock as being eithe #9995
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(See Solution) A population consists of 1, 2, 3 and 4. List all the samples of size 2. #9996
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(See Solution) Suppose that an airline quotes a flight time of 2 hours and 10 minutes between two cities. Furth #10018
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(See Solution) The maintenance department in a factory claims that the number of breakdowns X of a particular m #10020
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[Solution] Suppose that {{f}_{Y|X}}(y|x)={ 1 x
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[Solution] The following contingency table provides the breakdown of 3 types of laptops and 3 categories of pri #10043
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(Solved) General-valid probabilities a) Explain why -.41 cannot be the probability of some event b) Explain w #10062
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[Solution] General-candy colors According the to the MM/Mars Department of Consumer Affairs, the distribution o #10064
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[Solved] Survey customer loyalty Are customers more loyal in the East or West? The following table is based o #10065
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(See Solution) Multiplication rule-Four wires (red, green, blue, yellow) need to be attached to a circuit board. A #10066
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[Solution] Multiplication rule-you toss a pair of dice-compute P8,3 #10067
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[Solved] Counting/grading One professor grades homework by randomly choosing 5 out of 12 homework problems t #10068
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(Solved) Compute a) P 7,2 b) C 7,2 c) P3,3 d) C 4,4 #10069
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[Solved] Random variable-classification Which of the following are continuous variables and which are discret #10070
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[Solution] Binomial Probabilities-Multiple choice quiz Richard has just been given a 10 question multiple-choic #10072
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[Solved] Take out a coin for the following problems: a. Suppose you are going to flip a coin once. What is #10083
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[Solution] We are using basic business statistics by Berenson, 10th edition. These are binominal, Poisson probl #10113
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(Solved) Based on past experience, it is assumed that the number of flaws per foot in rolls of grade 2 paper #10114
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(See Solution) The dean of a business school wishes to form an executive committee of 5 from among the 40 tenured f #10116
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Solution: From an inventory 48 cars being shipped to local automotive dealers, 12 have defective radios instal #10117
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[Solution] A student is taking a multiple-choice exam in which each question has four choices. Assuming that sh #10125
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[Solved] The time of failure for a continuous operation monitoring device of air quality has a uniform distri #10126
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[Solved] The time between arrivals of customers at a bank during the noon to 1pm hour has a uniform distribut #10127
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[Solution] Given an exponential distribution with a mean of ?= 10, what is the probability that the arrival tim #10128
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Solution: Customers arrive at a drive up window of a fast-food restaurant at the rate of two minute during the #10129
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[Solution] An on the job injury occurs once every 10 days on average at an automobile plant. What is the probab #10130
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[Solved] A municipal bond service has three rating categories (A, B, and C). Suppose that in the past year, o #10135
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[Solved] The casino game of chuck-a-luck seems quite simple and that it would be a pretty good bet. In this g #10162
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(Solved) The following table displays a frequency distribution for the number of living grandparents for stud #10278
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Solution: In a certain college, 20% of the physics majors belong to ethnic minorities. a) If 10 students are s #10279
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Solution: A group of potential jurors consists of 15 women and 18 men. Suppose that 12 people are picked at ra #10280
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(See Solution) A computer salesman averages 1.8 sales per week. a) Use the Poisson distribution to find the probabi #10281
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[Solution] A certain airplane has two independent alternators to provide electrical power. The proba #10284
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[Solved] The probability is 1 4,000,000 that a single auto trip in the United States will result in a fatalit #10285
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[Solved] Suppose P(A) = .40 and P(B?A) = .30. What is the joint probability of A and B. #10303
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[Solved] A pollster selected 4 of 10 available people. How many different groups of 4 are possible? #10305
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[Solution] An over night express company must include 5 cities on its route. How many different routes are poss #10306
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[Solution] Each salesperson at Stiles-Compton is rated either below average, average or above average with resp #10307
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[Solution] The industry standards suggest that 10% of new vehicles require warranty service within the first ye #10308
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[Solution] In a binomial distribution n = 8 and p = .3. Find the probabilities of the following events. Use equ #10309
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(Solved) XC: A roadside small-scale hotel has 360 sleeping rooms. The management typically expects that 2.5% #10370
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[Solution] A large research hospital has accumulated statistical data on its patients for an extended period. R #10413
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[Solved] A metropolitan school district consists of three districts - north, south, and central. The north di #10415
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[Solved] A sample of 2,000 licensed drivers revealed the following number of speeding violations. Number #10492
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Solution: A survey of undergraduate students in the School of Business at Northern University revealed the fol #10493
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[Solved] Identify the sample and population: In a poll of 50,000 randomly selected college students, 74% answ #10502
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[Solution] Identify the sample and population: 100,000 randomly selected adults were asked whether they drink a #10503
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[Solution] Which of the following cannot be a probability? (a) 1/2 (b) 0 (c) -1 (d) 1 #10515
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Solution: A class consists of 4 men and 23 women. Of a student is randomly selected, what is the probability t #10516
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[Solved] A sample of 4 different calculators is randomly selected from a group containing 17 that are defecti #10518
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(Solved) The table below describes the smoking habits of a group of asthma sufferers. Non Smoker Light #10519
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(See Solution) A manufacturing process has a 70% yield, meaning that 70% of the products are acceptable and 30% are #10520
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(Solved) A batch of 8000 individual doses of flu vaccine are purchased. It is known that 0.1% of the entire r #10521
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[Solved] How many ways can an IRS auditor select 4 of 13 returns for an audit? #10522
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Solution: A committee of 6 must select a chairperson, vice chair, and secretary. How many possible ways can th #10523
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Solution: A study conducted at a certain college shows that 54% of the graduates find a job in their first cho #10524
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(Solved) For a certain type of fabric, the average number of defects in each square foot of fabric is 0.4. Us #10526
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Solution: An airline estimates that 90% of people booked on flights actually show up. If the airline books 71 #10527
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Solution: Laura is training for a week-long mountain cycling tour. She has 12 short hilly routes from which to #10539
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Solution: Suppose that two coins are flipped and 3 dice are rolled a) What is the probability that both coins #10579
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