This topic contains a solution. Click here to go to the answer

Author Question: A random sample of 140 forty-year-old men contains 25 smokers. Find the P-value for a hypothesis ... (Read 30 times)

bcretired

  • Hero Member
  • *****
  • Posts: 525
A random sample of 140 forty-year-old men contains 25 smokers. Find the P-value for a hypothesis test to determine whether the percentage of forty-year-old men that smoke differs from 22.
 
  A) 0.4010 B) 0.3898 C) 0.1949 D) 0.1401

Question 2

The heights of adult women have a bell-shaped distribution. Give an example of a data set whose distribution is likely to be right skewed. Explain why you think the distribution will be skewed to the right.
 
  What will be an ideal response?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Gabe

  • Sr. Member
  • ****
  • Posts: 321
Answer to Question 1

B

Answer to Question 2

Answers will vary. An example of a right skewed distribution might be the ages of all members (e.g. athletes, coaches) of a gymnastics team. A majority of the members would be quite young, however the older athletes and coaches will skew the distribution to the right.





 

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

For a complete list of videos, visit our video library