BUAL 2650 Exam with Questions and Correct Answers 2025.

BUAL 2650 Exam with Questions and
Correct Answers 2025




normal ,probability ,plot ,- ,CORRECT ,ANSWER-graphic ,used ,to ,virtually ,check ,whether
,data ,comes ,from ,a ,normal ,population


relative ,frequencies ,of ,all ,possible ,values ,of ,x ,are ,about ,the ,same ,- ,CORRECT
,ANSWER-its ,appropriate ,to ,use ,the ,uniform ,distribution ,to ,describe ,a ,continuous
,random ,variable ,x ,when:


np ,>= ,5 ,and ,n(1-p) ,>= ,5 ,- ,CORRECT ,ANSWER-normal ,approximation ,of ,the ,binomial
,distribution ,is ,appropriate ,when:


the ,fill ,weight ,is ,less ,than ,910 ,grams ,- ,CORRECT ,ANSWER-the ,fill ,weight ,of ,a
,certain ,cereal ,is ,normally ,distributed ,with ,a ,mean ,of ,910 ,grams ,and ,a ,standard
,deviation ,of ,5 ,grams. ,we ,calculated ,the ,value ,of ,z ,for ,a ,specific ,box ,of ,this ,brand ,of
,cereal, ,and ,the ,z ,value ,was ,negative. ,this ,negative ,z ,value ,indicates ,that:


95.44% ,of ,all ,possible ,observed ,values ,of ,the ,random ,variable ,x ,are ,plus ,or ,minus ,3
,standard ,deviations ,of ,the ,population ,mean ,- ,CORRECT ,ANSWER-which ,statement
,is ,NOT ,a ,property ,of ,the ,normal ,probability ,distribution?


99.73 ,- ,CORRECT ,ANSWER-if ,the ,random ,variable ,x ,is ,normally ,distributed, ,______
,% ,of ,all ,possible ,observed ,values ,of ,x ,will ,be ,within ,3 ,standard ,deviations ,of ,the
,mean


standard ,deviations ,- ,CORRECT ,ANSWER-the ,z ,value ,tells ,us ,the ,number ,of ,______
,that ,a ,value ,of ,x ,is ,from ,the ,mean