High concentrations of carbon monoxide CO can cause coma and possible death. The time required for a person to reach a COHB level capable of causing a coma cần be approximated by the quadratic model T = .0002x2 - .316x + 127.9, where T is the exposure time in hours necessary to reach this level and 500sxs 800 is the amount of carbon monoxide present in the air in parts per million (ppm). %3D a) What is the exposure time when x= 500? b) Estimate the concentration of CO necessary to produce a coma in 4 hr. ....*. What is the exposure time when x = 500? O hr (Round to the nearest tenth as needed.)

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A: Given as, x¨= y˙ -1 . , y¨=-x-2      u=x˙ and v=y˙       u˙=x¨  v˙=y¨

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A: given number of people probability 1 0.25 2 0.32 3 ? 4 ? 5 0.07 6 0.03 7+ 0.01…

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A: Given graph is a straight line so

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A: GIVEN: 6 - x - x2  if x ≤ 32x - 5         if x > 3

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A: Basic concept of discrete probability distribution are used

Q: please explain how to solve this problem

A: *used power rule

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A: The two points are (-2,1),(0,2)

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A: Consider the provided graph,

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Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.