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# asst7 - the calculation Suggested Problems The following...

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Statistics 427: Homework #7 Due November 14, 2008 To be turned in for credit : Chapter 4: 4.11*: “The cdf of checkout duration X as described in Exercise 1 is. ..” 4.13: “Example 4.5 introduced the concept of time headway in traﬃc ﬂow and. .” 4.21: “An ecologist wishes to mark oﬀ a circular sampling region having radius. ..” 4.28 ( only parts a, e, g, j ): “Let Z be a standard normal random variable. ..” 4.31 ( only part a ): “Determine z α for the following:” 4.38: “There are two machines available for cutting corks. ..” 4.43: “The distribution for resistance for resistors of a certain type. ..” *The cdf in this example should be F ( x ) = 0 x < 0 x 2 4 0 x < 2 1 2 x Remember that you must show all work when answering the questions. If the answer to the question is a calculation, be sure to write down the formula you used or describe how you made
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Unformatted text preview: the calculation. Suggested Problems The following suggested problems do not need to be turned in: 4.14: “The article ‘Modeling Sediment and Water Column Interactions. ..’ ” 4.15: “Let X denote the amount of space occupied by an article placed in a. ..” 4.29: “In each case, determine the value of the constant c ...” 4.33: “Suppose the force acting on a column that helps to support a building. ..” 4.39: “If a normal distribution has μ = 30 and σ = 5,. ..” 4.44: “If bolt thread length is normally distributed. ..” 4.45: “A machine that produces ball bearings. ..” 4.46: “The Rockwell hardness of a metal. ..” 4.47: “The weight distribution of parcels sent in a certain manner. ..”...
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