« previous next »

Author Question: Suppose the nightly rate for a three-star hotel in Paris is thought to be bell-shaped and ... (Read 122 times)

kfurse

  • Hero Member
  • *****
  • Posts: 590
on: Jun 24, 2018
Suppose the nightly rate for a three-star hotel in Paris is thought to be bell-shaped and symmetrical with a mean of 160 euros and a standard deviation of 8 euros. The percentage of hotels with rates between 144 and 176 euros is
 
  A) approximately 68.
  B) at least 89.
  C) approximately 95.
  D) at least 75.

Question 2

As the true population mean moves away from the hypothesized mean, the power of the test decreases.
 
  Indicate whether the statement is true or false


strudel15

  • Sr. Member
  • ****
  • Posts: 324
Reply #1 on: Jun 24, 2018
Answer to Question 1

C

Answer to Question 2

FALSE


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Star Map Southern Horizon Star Map Southern Horizon
Many thought ideological politics was over in the United States, but 2012 showed strong ideological Many thought ideological politics was over in the United States, but 2012 showed strong ideological
Bacteria may be named for their morphology (shape): cocci (spherical), bacilli (rod shaped), or ... Bacteria may be named for their morphology (shape): cocci (spherical), bacilli (rod shaped), or ...
Normal red blood cells (RBCs) are flexible and donut-shaped and move with ease through blood ... Normal red blood cells (RBCs) are flexible and donut-shaped and move with ease through blood ...
Sunflower Sea Star, California. Sunflower Sea Star, California.
Video: Gastrin (gastric emptying) & Secretin (buffering gastric acid)

For a complete list of videos, visit our video library