The cost, in millions of dollars, of building a three-story high school in New York State was estimated to beC(x) = 1.7 + 0.1x − 0.0001×2   (20 ≤ x ≤ 400)where x is the number of thousands of square feet. Suppose that you are contemplating building a for-profit three-story high school and estimate that your total revenue will be $0.14 million dollars per thousand square feet. What is the profit function (in millions of dollars)?P(x) =.14−1.7−.1+.00012What size school should you build in order to break even? (Round your answer to three decimal places.)thousand ft2

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Quiz 11Questions 21-24 refer to the following situation:On  his morning commute, a researcher notices that the shorter the interval  of time between traffic light changes, the more vehicles run the red  light. Interested in this relationship, the researcher conducts an  experiment over the next few weeks.  Each morning he first chooses a  traffic light at random. Once the light changes, he begins counting the  number of vehicles running red lights. He continues to count until the  light changes again. The data on six lights is as follows:Length of Light (X)    Number of Cars (Y)10                           2013                            1919                            1725                            1128                            930                            821. Calculate the regression line.22. What is the Y-intercept?23. Calculate the coefficient of determination.24. “If the length of a light was 7 seconds, how many cars would you predict would run the red light?”Use the following scenario for 25 only.Use  the method of regression analysis to test the relationship between  temperature (X) and the number of cars recorded as speeding (Y). Set α =  .05Temperature    Number of Cars Speeding50                   1065   1280   1685   1690   1370   1075   1225. Use  the method of regression analysis to test the relationship between  temperature (X) and the number of cars reordered as speeding (Y). Set  __=.05

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DQ1When is it ethically justifiable to mandate directly observed therapy (DOT)? What conditions need to be met? If health officials do mandate DOT, what can they do to reduce any imposed burdens?DQ2How can public health officials use the Public Health Code of Ethics, in guiding their decision making related to communicable disease control and prevention?

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