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MATH 110 M7 Exam Requires Respondus LockDown Browser Webcam Introduction to Statistics, Portage Learning
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MATH 110 M7 Exam Requires Respondus LockDown Browser Webcam Introduction to Statistics, Portage Learning

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  • June 23, 2023
  • 5
  • 2022/2023
  • Exam (elaborations)
  • Questions & answers

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  • math 110 m7 exam requires respondus lockdown brows

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M7: Exam- Requires Respondus LockDown Browser

 Due No due date



 Points 50



 Questions 4



 Time Limit 90 Minutes



 Requires Respondus LockDown Browser

This quiz is currently locked.

Attempt History

Attempt Time Score

LATEST Attempt 1 86 minutes 47 out of 50

Score for this quiz: 47 out of 50

Submitted Jul 23 at 1:17am

This attempt took 86 minutes.



Question 1

pts

You may find the following files helpful throughout the exam:

Statistics_Equation_Sheet (Links to an external site.)

Standard Normal Table (Links to an external site.)



Answer the following questions:

a) Define the null and alternative hypothesis for the following. Also, explain what it would mean to make
a Type I error and explain what it would mean to make a Type II error.

The newspaper in a certain city had a circulation of 30,000 per day in 2010. You believe that the
newspaper’s circulation is more than 30,000 today.


This study source was downloaded by 100000846744270 from CourseHero.com on 06-14-2023 04:44:46 GMT -05:00


https://www.coursehero.com/file/66560571/M7Examdocx/

, b) Define the null and alternative hypothesis for the following. Also, explain what it would mean to make
a Type I error and explain what it would mean to make a Type II error.

A certain website had 5000 hits per month a year ago. You believe that the number of hits per month is
different today.

Your Answer:

a.

correction the second H1 must have > as a replacment.

Type I error: Reject the null hypothesis that the mean of circulation is 30.000 when the circulation today
is actually(not greater) 30.000

Type II error: Do not reject the null hypothesis when the mean of circulation is greater than 30.000

b.

Correction the H1 must have as a replacment.

Type I error : reject the null hypothesis that the mean number of website gets/is 5000 hits per month
when the mean number of website gets/is 5000 hits per month.

Type II error: Do not reject the hypothesis that the mean number of website gets/is 5000 hits per month
when the number of hits per month is different than 5000

a) H0: μ=30,000.
H1:μ>30,000.

Type I error: Reject the null hypothesis that the circulation today is 30,000 when the circulation today
is no more than 30,000.

Type II error: Do not reject the null hypothesis when the circulation is more than 30,000.



b) H0: μ=5000.
H1:μ ≠5000.

Type I error: Reject the null hypothesis that the website gets 5000 hits per month when the website
actually gets 5000 hits per month.

Type II error: Do not reject the null hypothesis when the number of hits per month is different from
5000.



The first number is 30,000, not 30.




This study source was downloaded by 100000846744270 from CourseHero.com on 06-14-2023 04:44:46 GMT -05:00


https://www.coursehero.com/file/66560571/M7Examdocx/

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