Jerome asked 19 people to install an app that recorded the amount of time that they spent on their phones each day and f

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: 899604
Joined: Mon Aug 02, 2021 8:13 am

Jerome asked 19 people to install an app that recorded the amount of time that they spent on their phones each day and f

Post by answerhappygod »

Jerome asked 19 people to install an app that recorded the
amount of time that they spent on their phones each day and found
an average of 279 minutes. From earlier studies, he assumes that
times are normally distributed with standard
deviation σ=41 minutes. Calculate a 96% confidence
interval for the population mean. Round the endpoints to the
nearest minute.
Confidence
interval: ( , ) (Remember to round to the
nearest minute!)
Join a community of subject matter experts. Register for FREE to view solutions, replies, and use search function. Request answer by replying!
Post Reply