(a) A sample of 200 people was taken to estimate the proportion of people in need of glasses. The following confidence interval was obtained: [0.234,0.366] (a1) What is the sample proportion? (a2) Find the confidence level (a3) True\False Question: we are 1-a confident that at least 20% of the population need glasses. (1-a is the confidence level you found in (b))

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
icon
Concept explainers
Question

This is a question related to statistics and probabality

(a) A sample of 200 people was taken to estimate the proportion of people in need
of glasses.
The following confidence interval was obtained: [0.234,0.366]
(a1) What is the sample proportion?
(a2) Find the confidence level
(a3) True\False Question: we are 1-a confident that at least 20% of the
population need glasses. (1-a is the confidence level you found in (b))
Transcribed Image Text:(a) A sample of 200 people was taken to estimate the proportion of people in need of glasses. The following confidence interval was obtained: [0.234,0.366] (a1) What is the sample proportion? (a2) Find the confidence level (a3) True\False Question: we are 1-a confident that at least 20% of the population need glasses. (1-a is the confidence level you found in (b))
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps with 2 images

Blurred answer
Knowledge Booster
Conditional Probability, Decision Trees, and Bayes' Theorem
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
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman