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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
19.  The difference between the number of customers in line at the express checkout and the number in line at the superexpress checkout in Exercise 3 is X1 - X2. Calculate the expected difference.
20.  Six individuals, including A and B, take seats around a circular table in a completely random fashion.
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Suppose the seats are numbered 1, . . . , 6. Let X = A s seat number and Y = B s seat number. If A sends a written message around the table to B in the direc- tion in which they are closest, how many individuals (including A and B) would you expect to handle the message?
Hel-----------lo -----------Sir-----------/Ma-----------dam-----------Tha-----------nk -----------You----------- fo-----------r u-----------sin-----------g o-----------ur -----------web-----------sit-----------e a-----------nd -----------acq-----------uis-----------iti-----------on -----------of -----------my -----------pos-----------ted----------- so-----------lut-----------ion-----------.Pl-----------eas-----------e p-----------ing----------- me----------- on-----------cha-----------t I----------- am----------- on-----------lin-----------e o-----------r i-----------nbo-----------x m-----------e a----------- me-----------ssa-----------ge -----------I w-----------ill----------- be-----------