Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

These are the answers I put, It said that not all of it was correct, but it doesn't tell me which ones i got right/wrong

These are the answers I put, It said that not all of it was correct, but it doesn't tell me which ones i got right/wrong

image text in transcribed
{6 points] A poll conducted in 2913 found that the proportion of of LLS. adutt Twitter users who get at ism some news on Twitter was 9.52. The standard error for this estimate was 9.924, and a normal distribution may he used to model the sample proportion. 'I. Construct a 99% confidence interval for the proportion of U3. adult Twitter users who got some news on Twitter. Ftound to three decimal places. [1.453 in {1.552 2. identify each of the following statements as tme or false. False c 1. If we want to reduce the standard error of the estimate. we should collect less data. False 2. Since the standard error is 2.4%. we can conclude that 919% of all LLS. adutt Twitter users were included in the study. True c 3. If we construct a 99% confidence interval for the percentage of U.5. adults Twitter users who get some news through Twitter, this condence interval will be narrower than a corresponding 99% confidence interval. True c 4. Based on the interval. it is reasonable to believe that at least half of U5. adult Twitter users get some news through Twitter

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

Discrete and Combinatorial Mathematics An Applied Introduction

Authors: Ralph P. Grimaldi

5th edition

201726343, 978-0201726343

More Books

Students also viewed these Mathematics questions