« 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 42 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?

The average adult has about 21 square feet of skin.

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Examining the survivorship curve of a Dall mountain sheep population reveals information on the caus Examining the survivorship curve of a Dall mountain sheep population reveals information on the caus
Sickled and normal red blood cells Sickled and normal red blood cells
Normal red blood cells. Normal red blood cells.
The Effect of Group Size on Relationships The Effect of Group Size on Relationships
Pressure drop after 10 minutes on a normal port fuel-injection system. Pressure drop after 10 minutes on a normal port fuel-injection system.
A sample of carbon monoxide gas occupies 125 mL at 20.0 °C and 455 mm Hg. If the A sample of carbon monoxide gas occupies 125 mL at 20.0 °C and 455 mm Hg. If the
Video: Prone Position

For a complete list of videos, visit our video library