Get Full Access to Lumos StepUp High School Algebra 2 - Workbooks and Online Assessments
Currently, you have limited access to Lumos StepUp High School Algebra 2 - Workbooks and Online Assessments. The Full Program includes,
Buy ACTASPIRE Practice Resources
Online ProgramAn automobile manufacturer wants a specific model car to have a 12.4-second quarter-mile run time. They tested a sample of 150 cars and found that the test had a mean run time of µ =12.6 seconds. The table given below shows the common z-scores. What is the margin of error for a 90% confidence interval on the mean quarter-mile run time?