3. ILF makes 2,000 waterproof mattresses annually to be used in one of its products. The unit cost of the mattresses includes variable costs of $45 and fixed costs of $30. If the mattresses were purchased from an outside supplier, 60% of the fixed costs could be eliminated. Buying mattresses from an outside supplier at a price of $50 each would cause ILF’s operating income to:

In order to gauge public opinion about how to handle iran's growing nuclear program, a research group surveyed 1010 americans by telephone and asked them to rate the threat iran's nuclear program poses to the world on a scale of 1 to 10. describe the population, sample, population parameters, and sample statistics. identify the population in the given problem. choose the correct answer below.

True or false: a fitted model with more predictors will necessarily have a lower training set error than a model with fewer predictors.

Fly-by products, inc. operates primarily in the united states and has several segments. for the following segment, determine whether it is a cost center, profit center, or investment center: international operations- acts as an independent segment responsible for all facets of the business outside of the united states. select one: a. cost center b. profit center c. investment center