i sixsigma
A PHP Error was encountered
Severity: Warning
Message: Undefined array key "userid"
Filename: views/question.php
Line Number: 212
Backtrace:
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
In 1997, a survey of 825 households showed that 159 of them use e-mail. Use those sample results to test the claim that more than 15% of households use e-mail. Use a 0.05 significance level. Use this information to answer the following questions.
a. Which of the following is the hypothesis test to be conducted?
b. What is the test statistic?
c. What is the P-value?
d. What is the conclusion?
e. Is the conclusion valid today? Why or why not?
