Problem 31
In Exercises 2932, match the system of linear equations with its graph. Describe the number of solutions and state whether the system is consistent or inconsistent. [The graphs are labeled (a), (b), (c), and (d).]3x y 76x 2y 8
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Stat 200 Probability and Distributions Random Variables: Discrete vs. Continuous Discrete: Countable number of distinct values Usually whole numbers Typically used when a variable doesn’t have too many choices Continuous: Assumes a range of values Often need a measuring instrument Can come from a calculation X=Number of stars TV is rated K P (x=k) 1 0.2 2 0.05 3 0.1 4 0.2 5 0.45 Total
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Chapter 6, Problem 31 is Solved
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