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Perfectly ________ correlated series move exactly together and have a correlation coefficient of ________, while perfectly ________ correlated series move exactly in opposite directions and have a correlation coefficient of ________.

Which of the following costs are part of a firm’s opportunity costs?I. costs for resources bought in marketsII. costs for resources the firm ownsIII. costs for resources supplied by the owner

Which of the following statements regarding cerebral palsy is correct?

You are dispatched to a residence for an 80-year-old female who fell. When you arrive, you find the patient conscious, lying in a recumbent position on the floor in her living room. In addition to providing the appropriate treatment, you should ask the patient if:

Characteristic anatomic features of Down syndrome include:

Pat’s Catering finds that when it caters 20 meals a week, its total cost is $6,000. If Pat has total variable cost of $5,000, what is Pat’s total fixed cost?

  Labor (workers) Total product (units) 0 0 5 1000 10 3000 15 4000 20 4500 In the above table, between what two levels of output does one first observe the law of diminishing returns?

A zoologist collected wild lizards in the Southwestern United States. Thirty lizards from the genus Phrynosoma were placed on a treadmill and their speed measured. The recorded speeds (meters/second) (the fastest time to run a half meter) for thirty lizards are summarized in the relative histogram below. About how many lizards had recorded speeds above 1 meters/second? Fill in the numerical value.

Based on data from USA Today, the following are the results from tests of an experiment to test the effectiveness of a vaccine for children. Suppose a child from this population will be randomly selected. What is the probability that the child belongs to the placebo group?

Smoking and high blood pressure are risk factors for strokes and other vascular diseases. Suppose in the U.S., [x] % of adults smoke, and [y] % have high blood pressure. Suppose also that research suggests that smoking and high blood pressure are independent of each other, but they are not mutually exclusive. What is the probability that a randomly-chosen American adult has either of these two risk factors? (Fill in the numerical value. Round your answer to two decimal places).