• 1

A PHP Error was encountered

Severity: Warning

Message: Undefined array key "userid"

Filename: views/question.php

Line Number: 212


File: /home/statpmkj/public_html/application/views/question.php
Line: 212
Function: _error_handler

File: /home/statpmkj/public_html/application/controllers/Questions.php
Line: 416
Function: view

File: /home/statpmkj/public_html/index.php
Line: 315
Function: require_once

When 3021 adults were surveyed in a​ poll, 72​% said that they use the Internet. Is it okay for a newspaper reporter to write that ​"3 divided by 4 of all adults use the​ Internet"? Why or why​ not? Identify the null​ hypothesis, alternative​ hypothesis, test​ statistic, P-value, conclusion about the null​ hypothesis, and final conclusion that addresses the original claim. Use the​ P-value method. Use the normal distribution as an approximation of the binomial distribution.

a. Identify the null and alternative hypotheses. Choose the correct answer below.
b.  The test statistic z
c. Identify the conclusion about the null hypothesis and the final conclusion that addresses the original claim.​ (Assume a 0.05 significance​ level.)