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A recent study conducted by Penn, Shone, and Borland, on behalf of LastMinute.com, revealed that 52 percent of business travellers plan their trips less than two weeks before departure. The study is
Assume you know that number of complaints coming in a phone center averages 4.2 every ten minutes. Suppose that the number of calls follows Poisson distribution. Find out the probability that there
The joint probability distribution of variables X and Y is shown in the table below, where X is the number of tennis racquets and Y is the number of golf clubs
In testing lethal concentration of chemical found in polluted water, researchers have determined that certain concentration will kill 20% of the fish which are subjected to it for 24 hours. Find out
Discuss relationship between total gross and opening gross total gross and number of theaters total gross and week in top 60 what each eqation aids us find about the stats on movie did well in this
A filling procedure is supposed to fill jars with 16 ounces of grape jelly. Specifications state that each jar should contain between 15.95 and 16.05 ounces. A jar is selected from procedure
A ski resort profits $1,100,000 during the good winter with lots of snow. The resort has loss of $300,000 otherwise. The resort's historical climate data recommends that the probability of the good
An employee gives a pre-employment evaluation to a large group of applicants. The scores are normally distributed with a mean of 154 and a standard deviation of 18.
By using the Binomial Distribution, find out the probability that if Air Northeast books 24 people on flight, not enough seats will be available for all booked passengers.
Suppose that a student who guesses the answer will be correct with the probability 1/m, where m is the number of multiple choice alternatives. Find out the conditional probability that a s
A manufacturing operation employs two production lines to assemble electronic fuses. Both lines generates fuses at the same rate and generally produce 2.5% defective fuses. But, production line 1 re
Assume that an airplane engine will fail, when in flight, with the probability 1-p independently from engine to engine; assume that the airplane will make the successful flight if at least 50%
Horace Mann, principal of the Jones Public School, has decided to develop a time series model to obtain the 2- and a 3-period moving average to forecast student enrollments for next term.
A fair die is rolled 36 times. Find out the standard deviation of even number (2, 4 or 6) outcomes?
In the most recent election, 20% of all eligible college students voted. If a random sample of 20 students were surveyed: Find out the probability that at least five students voted in electi
Of all individual tax returns, 37% comprise errors made by taxpayer. If IRS examiners are assigned randomly chosen returns in batches of 12, find out the mean and standard deviation for number of er
The J.O. Supplies Company purchases calculators from the Korean supplier. The probability of the defective calculator is 10%. If 15 calculators are chosen at random, find out the probability that 3
Solve the problem graphically1. Describe the optimal solution and objective function value in context of problem.
Graphically find out the sensitivity range of each objective function coefficient at optimal solution of linear program in Problem Four. Describe the meaning of each range in context of problem.
For each constraint that holds with the equality at optimal solution of linear program in Problem Four, perform following: Graphically find out the sensitivity range of right-hand-side value.
Evaluate the shadow price associated with the each sensitivity range found in part. Describe the meaning of shadow price in the context of problem.
For Mineral Mining Company problem in Problem Four, management considering leasing one of following two new trucks to replace excising one: Should company replace the ol
Assume 1.5 percent of antennas on new Nokia cell phones are defective. For the random sample of 200 antennas, find out the probability that:
The accounting department at Weston Materials, Inc., national manufacturer of unattached garages, reports that it takes 2 construction workers the mean of 32 hours and standard deviation of the 2 ho
What fraction of employees cost more than $1,500 per year for the dental expenses? Find out the fraction of employees cost between $1,500 and $2,000 per year? Estimate percent that didn't have any den