DEVRY MATH 533 Entire Course DEVRY MATH 533 Final Exam | Page 2

2 . ( TCO B ) The Republican party is interested in studying the number of republicans that might vote in a particular congressional district . Assume that the number of voters is binomially distributed by party affiliation ( either republican or not republican ). If 10 people show up at the polls , determine the following : Binomial distribution
3 . ( TCO A ) Company ABC had sales per month as listed below . Using the Minitab output given , determine : ( A ) Range ( 5 points ); ( B ) Median ( 5 points ); and ( C ) The range of the data that would contain 68 % of the results . ( 5 points ). Raw data : sales / month ( Millions of $)
( TCO A ) Company ABC had sales per month as listed below . Using the MegaStat output given , determine : ( A ) Range ( 5 points ) ( B ) Median ( 5 points ) ( C ) The range of the data that would contain 68 % of the results . ( 5 points )
4 . ( TCO C , D ) Tesla Motors needs to buy axles for their new car . They are considering using Chris Cross Manufacturing as a vendor . Tesla ' s requirement is that 95 % of the axles are 100 cm ± 2 cm . The following data is from a test run from Chris Cross Manufacturing . Should Tesla select them as a vendor ? Explain your answer . Descriptive statistics Tesla Motors needs to buy axles for their new car . They are considering using Chris Cross Manufacturing as a vendor . Tesla ’ s requirement is that 95 % of the axles are 100 cm ± 5 cm . The following data is MegaStat output from a test run from Chris Cross Manufacturing .
Descriptive statistics Question : Should Tesla select them as a vendor ? Explain your answer . Answers ( 1 )
• Given that , Tesla Motors needs to buy axles for their new car . They are considering using Chris Cross Manufacturing as a vendor . Tesla ’ s requirement is that 95 % of the axles are 100 cm ± 5 cm . The following data is MegaStat output from a test run from Chris Cross Manufacturing :
5 . ( TCO D ) A PC manufacturer claims that no more than 2 % of their machines are defective . In a random sample of 100 machines , it is found that 4.5 % are defective . The manufacturer claims this is a fluke of the sample . At a . 02 level of significance , test the manufacturer ' s claim , and explain your answer .