A Consumer Reports survey found that 205 people out of 325 surveyed prefer to purchase books online. Use the steps below to construct a 99% confidence interval to estimate the proportion of all people that prefer to purchase books online. a) What is the sample proportion of people that prefer to purchase books online? b) Find the critical value � that corresponds to a 99% confidence level. c) Calculate “E” d) Construct your confidence interval. e) Write a sentence that explains the meaning of the confidence interval.
A Consumer Reports survey found that 205 people out of 325 surveyed prefer to purchase books online. Use the steps below to construct a 99% confidence interval to estimate the proportion of all people that prefer to purchase books online. a) What is the sample proportion of people that prefer to purchase books online? b) Find the critical value � that corresponds to a 99% confidence level. c) Calculate “E” d) Construct your confidence interval. e) Write a sentence that explains the meaning of the confidence interval.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
A Consumer Reports survey found that 205 people out of 325 surveyed prefer to
purchase books online. Use the steps below to construct a 99% confidence
estimate
a) What is the sample proportion of people that prefer to purchase books online?
b) Find the critical value �
that corresponds to a 99% confidence level.
c) Calculate “E”
d) Construct your confidence interval.
e) Write a sentence that explains the meaning of the confidence interval.
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 6 steps with 3 images
