A business wants to know the estimate of the proportion of tractors that are over the age of 20 and still in every day u

Business, Finance, Economics, Accounting, Operations Management, Computer Science, Electrical Engineering, Mechanical Engineering, Civil Engineering, Chemical Engineering, Algebra, Precalculus, Statistics and Probabilty, Advanced Math, Physics, Chemistry, Biology, Nursing, Psychology, Certifications, Tests, Prep, and more.
Post Reply
answerhappygod
Site Admin
Posts: 899603
Joined: Mon Aug 02, 2021 8:13 am

A business wants to know the estimate of the proportion of tractors that are over the age of 20 and still in every day u

Post by answerhappygod »

A business wants to know the estimate of the proportion oftractors that are over the age of 20 and still in every day use.Assume that a preliminary study has shown that 85% of tractors overthe age of 20 are still in use. How large should the sample size beso that a 99% confidence interval for the population proportion hasa margin of error of 0.05?
Show steps to solve the problems...
Join a community of subject matter experts. Register for FREE to view solutions, replies, and use search function. Request answer by replying!
Top
Post Reply

Return to “Archived Questions & Answers”