This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A random sample of 139 forty-year-old men contains 26 smokers. Find the P-value for a test of the ... (Read 103 times)

iveyjurea

  • Hero Member
  • *****
  • Posts: 555
on: Aug 1, 2018
A random sample of 139 forty-year-old men contains 26 smokers. Find the P-value for a test of the claim that the percentage of forty-year-old men that smoke is 22.
 
  A) 0.1401 B) 0.2542 C) 0.2802 D) 0.1271

Question 2

Assume that you are predicting Y from X. Which of the following correlation coefficients would yield predictions with the least error?
 
  a. r = zero.
  b. r = +.30.
  c. r = -.70.
  d. r = +.60.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

sarahccccc

  • Sr. Member
  • ****
  • Posts: 318
Reply #1 on: Aug 1, 2018
Answer to Question 1

Here to give you a feedback, your answer was right Awesome

Answer to Question 2

C


iveyjurea

  • Hero Member
  • *****
  • Posts: 555
Reply #2 on: Aug 1, 2018
Both answers were spot on, thank you once again


sarahccccc

  • Sr. Member
  • ****
  • Posts: 318
Reply #3 on: Aug 1, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Audiometry. The child in this photograph is undergoing a hearing test with an audiologist. Audiometry. The child in this photograph is undergoing a hearing test with an audiologist.
Biceps Reflex Test Biceps Reflex Test
Effects of Therapy for Stuttering A functional MRI scan shows regions of the superior temporal lobe Effects of Therapy for Stuttering A functional MRI scan shows regions of the superior temporal lobe
The experimental design and results of Lester and Gorzalka (1988). On the third test, the female ... The experimental design and results of Lester and Gorzalka (1988). On the third test, the female ...
The Mantoux tuberculin skin test. Positive reaction. The Mantoux tuberculin skin test. Positive reaction.
The Ames test, which screens compounds for potential mutagenicity The Ames test, which screens compounds for potential mutagenicity
Video: Types of energy transfer reactions: oxidation-reduction reactions and ATP generation reactions

For a complete list of videos, visit our video library