Delta Airlines needs to optimize the scheduling of airline crews to meet flight requirements, while minimizing total costs and staying within federal guidelines on maximum crew flight hours and required hours of rest. Which of the following is the best system for this task based on its "survival of the fittest" problem-solving strategy that enables the average fitness of a population of candidate solutions to increase over time and eventually produce a set of optimal solutions to the problem. Group of answer choices1. neural network2. genetic algorithm3. expert system4. intelligent agent

The risk-free rate is 7% and the expected rate of return on the market portfolio is 11%. a. calculate the required rate of return on a security with a beta of 1.92. (do not round intermediate calculations. enter your answer as a percent rounded to 2 decimal places.) b. if the security is expected to return 15%, is it overpriced or underpriced?

Acompany manufactures hair dryers. it buys some of the components, but it makes the heating element, which it can produce at the rate of 920 per day. hair dryers are assembled daily, 250 days a year, at a rate of 360 per day. because of the disparity between the production and usage rates, the heating elements are periodically produced in batches of 2,300 units. a. approximately how many batches of heating elements are produced annually? b. if production on a batch begins when there is no inventory of heating elements on hand, how much inventory will be on hand 4 days later? c. what is the average inventory of elements, assuming each production cycle begins when there are none on hand?

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