« previous next »

Author Question: True or false, the standard deviation of a normally distributed variable can be any real number. ... (Read 73 times)

HudsonKB16

  • Hero Member
  • *****
  • Posts: 535
on: Jul 25, 2018
True or false, the standard deviation of a normally distributed variable can be any real number.
 
  A) True B) False

Question 2

A survey of randomly chosen adults found that 28 of the 63 women and 31 of the 67 men follow regular exercise programs. Construct a 95 confidence interval for the difference in the proportions of women and men who have regular exercise programs.
 
  A) -0.218 to 0.646 B) 0.246 to 0.646 C) 0.277 to 0.615 D) -0.186 to 0.151


moormoney

  • Sr. Member
  • ****
  • Posts: 326
Reply #1 on: Jul 25, 2018
Answer to Question 1

B

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

HudsonKB16

  • Hero Member
  • *****
  • Posts: 535
Reply #2 on: Jul 25, 2018
Thank you!


moormoney

  • Sr. Member
  • ****
  • Posts: 326
Reply #3 on: Jul 25, 2018
Always glad to help...


« previous next »
 

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

History of the number of observed sunspots during the last 250 years, which shows the ~11-year solar History of the number of observed sunspots during the last 250 years, which shows the ~11-year solar
A greater number of men than women hold full-time jobs, but the gap is closing because of an ... A greater number of men than women hold full-time jobs, but the gap is closing because of an ...
Are reality shows “real”? Does the media tell the “truth”? Are reality shows “real”? Does the media tell the “truth”?
Standard reduction potentials of the major respiratory electron carriers Standard reduction potentials of the major respiratory electron carriers
How to fully analyze the standard and factored form of a quadratic equation (Question 2) How to fully analyze the standard and factored form of a quadratic equation (Question 2)
Video: Hormones and the menstrual cycle Animation

For a complete list of videos, visit our video library