Exam (elaborations)
MSIS 3223 EXAM 2 REVIEW QUESTIONS WITH CORRECT ANSWERS
- Course
- Institution
MSIS 3223 EXAM 2 REVIEW QUESTIONS WITH CORRECT ANSWERS
[Show more]
Content preview
MSIS 3223 EXAM 2 REVIEW QUESTIONSWITH CORRECT ANSWERS
classical wwdefinition wwof wwprobability ww- wwAnswer wwIf wwthe wwprocess wwthat
wwgenerates wwthe wwoutcome wwis wwknown, wwprobabilities wwcan wwbe wwdeduced wwfrom
wwtheoretical wwarguments, wwthis wwis wwthe ww______
Relative wwFrequency ww- wwAnswer wwbased wwon wwempirical wwdata. wwThe wwprobability
wwthat wwan wwoutcome wwwill wwoccur wwis wwsimply wwthe wwrelative wwfrequency
wwassociated wwwith wwthat wwoutcome.
subjective wwdefinition wwof wwprobability ww- wwAnswer wwbased wwon wwjudgment wwand
wwexperience wwas wwsports wwexperts wwmight wwpredict wwat wwthe wwstart wwof wwthe
wwfootball wwseason—what wwis wwthe wwprobability wwof wwa wwspecific wwteam wwwinning
wwthe wwnational wwchampionship?
Random wwVariable ww- wwAnswer wwa wwnumerical wwdescription wwof wwthe wwoutcome
wwof wwan wwexperiment
discrete wwrandom wwvariable ww- wwAnswer wwwhen wwthe wwnumber wwof wwpossible
wwoutcomes wwcan wwbe wwcounted
continuous wwrandom wwvariable ww- wwAnswer wwhas wwoutcomes wwover wwone wwor
wwmore wwcontinuous wwintervals wwor wwreal wwnumbers
The ww____ wwof wwa wwrandom wwvariable wwcorresponds wwto wwthe wwnotion wwof wwthe
wwmean wwor wwaverage wwfor wwa wwsample ww- wwAnswer wwexpected wwvalue
Joint wwProbability ww- wwAnswer wwthe wwprobability wwof wwthe wwintersection wwof wwtwo
wwevents
Conditional wwProbability ww- wwAnswer wwthe wwprobability wwthat wwone wwevent
wwhappens wwgiven wwthat wwanother wwevent wwis wwalready wwknown wwto wwhave
wwhappened
How wwis wwthe wwvariance wwof wwa wwdiscrete wwrandom wwvariable wwcomputed? ww-
wwAnswer wwas wwa wwweighted wwaverage wwof wwthe wwsquared wwdeviations wwfrom wwthe
wwexpected wwvalue
, What wwdoes wwhigh wwvariance wwmean wwin wwa wwrandom wwvariable ww- wwAnswer
wwhigh wwuncertainty wwof wwthe wwoutcome
Bernoulli wwDistribution ww- wwAnswer wwThe wwprobability wwdistribution wwof wwa wwrandom
wwvariable wwwith wwtwo wwpossible wwoutcomes, wweach wwwith wwa wwconstant
wwprobability wwof wwoccurrence.
Poisson wwdistribution ww- wwAnswer wwa wwdiscrete wwprobability wwdistribution
wwdescribing wwthe wwlikelihood wwof wwa wwparticular wwnumber wwof wwindependent
wwevents wwwithin wwa wwparticular wwinterval
Normal wwDistribution ww- wwAnswer wwa wwbell-shaped wwcurve, wwdescribing wwthe
wwspread wwof wwa wwcharacteristic wwthroughout wwa wwpopulation
When wwdoes wwmean=median=mode? ww- wwAnswer wwFor wwnormally wwdistributed
wwdata
What wwis wwthe wwrange wwof wwX wwin wwa wwnormal wwdistribution? ww- wwAnswer wwit wwis
wwunbounded, wwmeaning wwthat wwthe wwtails wwof wwthe wwdistribution wwextend wwto
wwnegative wwand wwpositive wwinfinity.
The wwempirical wwrules wwapply wwexactly wwfor ww_______ ww- wwAnswer wwNormal
wwDistribution
Probability wwdensity wwfunctions ww- wwAnswer wwThe wwdistribution wwthat wwcharacterizes
wwoutcomes wwof wwa wwcontinuous wwrandom wwvariable.
Properties wwof wwProbability wwDensity wwFunctions: ww- wwAnswer ww• wwA wwgraph wwof
wwthe wwdensity wwfunction wwmust wwlie wwat wwor wwabove wwthe wwx-axis.
• wwThe wwtotal wwarea wwunder wwthe wwdensity wwfunction wwabove wwthe wwx-axis wwis ww1.
• wwFor wwcontinuous wwrandom wwvariables, wwthere wware wwan wwinfinite wwnumber wwof
wwvalues.
• wwCalculates wwthe wwprobability wwof wwa wwrandom wwvariable wwlying wwwithin wwa
wwcertain wwinterval wwsuch wwas wwbetween wwtwo wwnumbers, wwor wwto wwthe wwleft wwor
wwright wwof wwa wwnumber.
• wwP wwis wwthe wwarea wwunder wwthe wwdensity wwfunction wwbetween wwa wwand wwb.
Regression wwAnalysis ww- wwAnswer wwtool wwfor wwbuilding wwmathematical wwand
wwstatistical wwmodels wwthat wwcharacterize wwrelationships wwbetween wwa wwdependent
wwvariable ww(ratio) wwand wwone wwor wwmore wwindependent, wwor wwexplanatory,
wwvariables ww(ratio wwor wwcategorical), wwall wwof wwwhich wware wwnumerical.
Simple wwregression ww- wwAnswer wwA wwregression wwmodel wwthat wwinvolves wwa
wwsingle wwindependent wwvariable
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller LucieLucky. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $11.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
81311 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now