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Nineteen of 100 digital video recorders (DVRs) in inventory are known to be defective. Determine the probability you randomly select an item that is not defective?
Given that the subjects surveyed were chosen without replacement, the events aren't independent. Can the probability be found by using binomial probability formula? Why or why not?
A certain group of women has a 0.58% rate of red/green color blindness. If a woman is randomly selected, what is the probability that she does not have red/green color blindness?
A researcher is going to study and compare crime rates among 30 US cities over the country. In this case, what is the UNIT OF ANALYSIS?
A paint company claims their paint will be completely dry in 45 minutes after application. Currently, customers have complained drying times are longer than the claimed 45 minutes.
The mean amount spent by all customers at organic food market is estimated to be $48, and the standard deviation is estimated to be $12. According to Chebyshev's Theorm at least what percentage of c
An Internet service provider is interested in testing to see if there is the difference in mean weekly connect time for users who come into the service through a dial-up line, DSL, or cable Internet
In brief describe the term Operations Management. Determine the three major functional areas of business organization and briefly describe how they interrelate.
Over the long period of time in large multinational corporation, 15% of all sales trainees are rated as outstanding, 75% are rated as excellent/good, 6% are rated as satisfactory, and 4% are consid
Determine the probability that somebody chosen at random has a birthday on the first day of a month? How does this probability change conditional on the knowledge that the person's birthday is in Marc
Using normal approximation, what's the probability a randomly drawn sample of parents of size 600 will have a sample proportion between 67% and 73%? Draw a sketch of the probability curve
Assume the nightly rate for three-star hotel in Paris is thought to be bell-shaped and symmetrical with mean of 160 euros and standard deviation of 8 euros. The percentage of hotels with rates betw
A random sample of 2008 employed cars for sale on market has an average mileage of 71,420 miles with sample standard deviation of 9,470 miles. The z-score for a used car with 80,500 miles in this sa
Develop a table showing four possible value of the loss function. Mention the eight possible decision function. Discuss that three of the decision function aren't admissible
Consumers turned to their mobile devices in growing numbers and increasing frequency during a given year. Text messaging led as the top mobile activity, with the 62% of American mobile subscribers t
Clearly show the model setup for this in excel. Describes steps necessary to use solver to determine how to minimize the cost of reducing pollution by the desired amounts.
(a) Determine the probability that either exactly 4 ppl get out on floor 35 or exactly 4 ppl get out on floor 36 (inclusive OR)? (b) Determine the probability that the elevator stops on floors 11, 15,
For the first 100 cars made 40 are defective. Based upon the first 100 cars produced, about how many out of every 1000 assembled should have one or more defects?
Explain the examples of variables that follow a binomial probability distribution? What are examples of variables that follow a Poisson distribution? When might you use a geometric probability?
A standard deck of cards is well shuffled. Let AC denote ace of clubs and KD denote the king of diamonds.
Assume you receive 13 cards from a well-shuffled standard deck of cards. What is the probability that your hand will contain 2 or more Aces?
In the study it was found that the average age of cable TV shoppers was 56 years. Assume you want to test the null hypotheses Ho: Mu =56 using sample of n=80 cable TV shoppers. Determine the p-value
Determine the probability that the resistance of such a cable chosen at random will be at least equal to 80 kN? Determine the probability that the load will be at most equal to 75 kN?
Determine the probability that the load will be at most equal to 75 kN? Determine the probability of failure of a randomly selected cable (where failure is defined as the applied load outweighing the
The number of bacteria in prescribed area of a slide containing a sample of well water has a poisson distribution with parameter 5. What is the probability that the slide shows 8 or more bacteria?