ISYE 6644 - final prep2 Questions With
Verified Answers
If jf(x, jy) j= jcxy jfor jall j0 j< jx j< j1 jand j1 j< jy j< j2, jwhere jc jis jwhatever jvalue jmakes jthis jthing jintegrate jto j1, jthen
jX jand jY jare jindependent jrandom jvariables j- jAnswer j- jTRUE. j(Because jf(x, jy) j= ja(x)b(y) jfactors jnicely, jand
jthere jare jno jfunny jlimits.)
In jour jArena jCall jCenter jexample, jit jwas jpossible jfor jentities jto jbe jleft jin jthe jsystem jwhen jit jshut jdown
jat j7:00 jp.m. j(even jthough jwe jstopped jallowing jcustomers jto jenter jthe jsystem jat j6:00 jp.m.). j- jAnswer j-
jTRUE j— jbecause jof jthe jsmall jchance jthat ja jcallback jwill joccur.
An jentity jcan jbe jscheduled jto jvisit jthe jsame jresource jtwice, jwith jdifferent jservice jtime jdistributions jon
jthe jtwo jvisits! j- jAnswer j- jTRUE
Arena jhas ja jbuilt-in jInput jAnalyzer jtool jthat jallows jfor jthe jfitting jof jcertain jdistributions jto jdata. j-
jAnswer j- jTRUE
The jKolmogorov-Smirnov jtest jcan jbe jused jboth jto jsee j(i) jif jdata jseem jto jfit jto ja jparticular jhypothesized
jdistribution jand j(ii) jif jthe jdata jare jindependent. j- jAnswer j- jFALSE. j(It's jjust ja jgoodness-of-fit jtest.)
Welch's jmethod jis ja jgraphical jtechnique jto jestimate jtruncation j(initialization jbias) jpoints jfor jsteady-
state jsimulation. j- jAnswer j- jTRUE
If jyou jare jusing ja jranking-and-selection jprocedure jand jtwo jcompetitors jhappen jto jfall jwithin jthe
jindifference-zone, jthen jyou jdon't jreally jcare jtoo jmuch jwhich jone jyou jend jup jselecting. j- jAnswer j- jTRUE.
jThat's jwhy jit's jcalled jthe jIZ!
TRUE jor jFALSE? jSequential jranking-and-selection jprocedures jare jdesigned jto jstop jearly jif jone jalternative
jseems jto jbe jway jout jin jfront jof jthe jothers. j- jAnswer j- jTRUE
Suppose, jwhen jdesigning ja jranking-and-selection jprocedure, jyou jhave jdecided jto jincrease jthe jdesired
jprobability jof jcorrect jselection jcompared jto ja jprevious jrun jof jthe jprocedure. jWhat jcan jyou jexpect? j(a)
jSample jsizes jthat jare jabout jthe jsame j
(b) jLarger jsample jsizes j
(c) jSomewhat jlower jachieved jPr(CS) j
(d) jA jlarger jindifference jzone j
(e) jLower jconfidence jin jyour jselection j- jAnswer j- jb
In jArena, jyou jcan juse ja jsingle jDECIDE jmodule jto jroute jcustomers jto jthat jone jof jfour jservers jhaving jthe
jsmallest jqueue. j- jAnswer j- jTRUE
Verified Answers
If jf(x, jy) j= jcxy jfor jall j0 j< jx j< j1 jand j1 j< jy j< j2, jwhere jc jis jwhatever jvalue jmakes jthis jthing jintegrate jto j1, jthen
jX jand jY jare jindependent jrandom jvariables j- jAnswer j- jTRUE. j(Because jf(x, jy) j= ja(x)b(y) jfactors jnicely, jand
jthere jare jno jfunny jlimits.)
In jour jArena jCall jCenter jexample, jit jwas jpossible jfor jentities jto jbe jleft jin jthe jsystem jwhen jit jshut jdown
jat j7:00 jp.m. j(even jthough jwe jstopped jallowing jcustomers jto jenter jthe jsystem jat j6:00 jp.m.). j- jAnswer j-
jTRUE j— jbecause jof jthe jsmall jchance jthat ja jcallback jwill joccur.
An jentity jcan jbe jscheduled jto jvisit jthe jsame jresource jtwice, jwith jdifferent jservice jtime jdistributions jon
jthe jtwo jvisits! j- jAnswer j- jTRUE
Arena jhas ja jbuilt-in jInput jAnalyzer jtool jthat jallows jfor jthe jfitting jof jcertain jdistributions jto jdata. j-
jAnswer j- jTRUE
The jKolmogorov-Smirnov jtest jcan jbe jused jboth jto jsee j(i) jif jdata jseem jto jfit jto ja jparticular jhypothesized
jdistribution jand j(ii) jif jthe jdata jare jindependent. j- jAnswer j- jFALSE. j(It's jjust ja jgoodness-of-fit jtest.)
Welch's jmethod jis ja jgraphical jtechnique jto jestimate jtruncation j(initialization jbias) jpoints jfor jsteady-
state jsimulation. j- jAnswer j- jTRUE
If jyou jare jusing ja jranking-and-selection jprocedure jand jtwo jcompetitors jhappen jto jfall jwithin jthe
jindifference-zone, jthen jyou jdon't jreally jcare jtoo jmuch jwhich jone jyou jend jup jselecting. j- jAnswer j- jTRUE.
jThat's jwhy jit's jcalled jthe jIZ!
TRUE jor jFALSE? jSequential jranking-and-selection jprocedures jare jdesigned jto jstop jearly jif jone jalternative
jseems jto jbe jway jout jin jfront jof jthe jothers. j- jAnswer j- jTRUE
Suppose, jwhen jdesigning ja jranking-and-selection jprocedure, jyou jhave jdecided jto jincrease jthe jdesired
jprobability jof jcorrect jselection jcompared jto ja jprevious jrun jof jthe jprocedure. jWhat jcan jyou jexpect? j(a)
jSample jsizes jthat jare jabout jthe jsame j
(b) jLarger jsample jsizes j
(c) jSomewhat jlower jachieved jPr(CS) j
(d) jA jlarger jindifference jzone j
(e) jLower jconfidence jin jyour jselection j- jAnswer j- jb
In jArena, jyou jcan juse ja jsingle jDECIDE jmodule jto jroute jcustomers jto jthat jone jof jfour jservers jhaving jthe
jsmallest jqueue. j- jAnswer j- jTRUE
