« previous next »

Author Question: A sample of size 100 from a normal population has a mean of 110 and a standard deviation of 10.0 . ... (Read 103 times)

melina_rosy

  • Hero Member
  • *****
  • Posts: 531
on: Jul 24, 2018
A sample of size 100 from a normal population has a mean of 110 and a standard deviation of 10.0 . Using the Empirical Rule, about how many items of the sample will be above 130?

Question 2

A sample of size 50 has a mean of 60.0 and a standard deviation of 10.0 . According to Chebyshev's Theorem, at least what percent of the data is between 10 and 110?


qytan

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jul 24, 2018
Answer to Question 1

Approximately 2 to 3 items

Answer to Question 2

96


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Stars vary widely in size. Stars vary widely in size.
Tonsils—normal and enlarged. Tonsils—normal and enlarged.
Retinopathy. Illustration of a normal retina (left) and a diseased retina (right). The diseased reti Retinopathy. Illustration of a normal retina (left) and a diseased retina (right). The diseased reti
Worldwide Variations in Population and Income Levels Worldwide Variations in Population and Income Levels
Rural versus Urban Population, 1820–1860 Rural versus Urban Population, 1820–1860
Mammograms. (A) Mammogram procedure. (B) Film of normal breast. (C) Film of breast with tumor. Mammograms. (A) Mammogram procedure. (B) Film of normal breast. (C) Film of breast with tumor.
Video: Griffith's experiments

For a complete list of videos, visit our video library