Answered: 1) An Internet provider contacts a…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Related questions

Concept explainers

Question

1) An Internet provider contacts a random sample of 225 customers and asks how many hours per week the customers use the Internet. The average amount of time spent on the Internet per week was 7.2 hours, with a standard deviation of 3.8 hours.

a)What is the degree of freedom?

b)Use StatKey to find t* with 95% confidence level

c)Construct a 95% confidence interval for the average amount of time customers of this Internet provider spend on the Internet each week. Round the margin of error to two decimal place. (Round your answer to two decimal places)

d) Interpret of your interval in the context of this situation.

Expert Solution

Trending now

This is a popular solution!

Step by step

Solved in 3 steps with 1 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

$Point Estimation, Limit Theorems, Approximations, and Bounds$

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.

Similar questions