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

Author Question: The _______ confidence interval for the population mean is always wider than the _______ confidence ... (Read 113 times)

melina_rosy

  • Hero Member
  • *****
  • Posts: 531
on: Jun 19, 2018
The _______ confidence interval for the population mean is always wider than the _______ confidence interval for the population mean.
 
  a. 99; 95 c. both of these
  b. 95; 99 d. none of these

Question 2

If the population parameters are known, the t test is _________ powerful than the z test.
 
  a. more c. equally
  b. less d. need more information


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

brittanywood

  • Sr. Member
  • ****
  • Posts: 355
Reply #1 on: Jun 19, 2018
Answer to Question 1

A

Answer to Question 2

B


melina_rosy

  • Member
  • Posts: 531
Reply 2 on: Jun 19, 2018
YES! Correct, THANKS for helping me on my review

isabelt_18

  • Member
  • Posts: 342
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Exponential growth in the Canadian migratory population of the whooping crane after 70 years of cons Exponential growth in the Canadian migratory population of the whooping crane after 70 years of cons
Abiotic factors influence population densities. Abiotic factors influence population densities.
Anatomy of the Lotka-Volterra equations for predator-prey population growth. Anatomy of the Lotka-Volterra equations for predator-prey population growth.
Comparing Prison Inmates With The U.S. Population Comparing Prison Inmates With The U.S. Population
Working-Age Fraction of the U.S. Population, 1950–2050 Working-Age Fraction of the U.S. Population, 1950–2050
Sketch a graph of the function h(x), by hand on the following interval: Sketch a graph of the function h(x), by hand on the following interval:
Video: Glycolysis Animation

For a complete list of videos, visit our video library