Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

Suppose that 60 internet-users are randomly selected and monitored to see how long each user spends on Facebook daily. The average amount of time spent

Suppose that 60 internet-users are randomly selected and monitored to see how long

each user spends on Facebook daily. The average amount of time spent on Facebook

among these users turned out to be 40 minutes per day with a standard deviation of 15

minutes.

(a) Find a Confidence interval for the average amount of time spent on Facebook by

all internet-users which has a confidence level of 99%.

(b) What does the confidence interval in (a) tell us?

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image

Step: 3

blur-text-image

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Elementary Algebra

Authors: Jerome E Kaufmann, Rosemary Karr, Karen L Schwitters, Marilyn Massey, R David Gustafson

10th Edition

1305161769, 9781305161764

More Books

Students also viewed these Mathematics questions