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Unformatted text preview: U > s,V > t ] . (b) Let t 0 and s 0 in the previous part to show that U and V each have exponential distributions. (c) Are U and V independent? (2) 346/1 (3) 346/4 (4) 346/5 (5) 346/6 See page 285 for Example 5.3. (6) 347/9 (7) 351/34 (8) 352/38 (9) The data set salesdate.txt is given in course documents/data and consists of a single column with about 34000 rows. The saledate records in seconds relative to a certain initialization point dates of care sales. Note the data may not be ordered. Sort the data from smallest to biggest. Can the sorted sale dates be modelled as a Poisson process? Why or why not? 1...
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 Summer '09
 RESNIK

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