« previous next »

Author Question: Suppose that height is a normally distributed variable with mean of 66 inches and a standard ... (Read 121 times)

yoooooman

  • Hero Member
  • *****
  • Posts: 557
on: Jun 20, 2018
Suppose that height is a normally distributed variable with mean of 66 inches and a standard deviation of 3 inches. You are 72 inches tall. How many standard deviations are you above the mean?
 
  a. impossible to tell without more information
  b. 1
  c. 2
  d. 3

Question 2

Suppose that height is a normally distributed variable with mean of 66 inches and a standard deviation of 3 inches. About what percentage of people would have a height between 66 and 72 inches?
 
  a. 48
  b. 68
  c. 75
  d. 95


Briannahope

  • Sr. Member
  • ****
  • Posts: 364
Reply #1 on: Jun 20, 2018
Answer to Question 1

C

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

Variable expressivity Variable expressivity
Standard Model of Elementary Particles Standard Model of Elementary Particles
In 2008, the U.S. economy suffered a gaping wound as several trillion dollars were ripped out of it. In 2008, the U.S. economy suffered a gaping wound as several trillion dollars were ripped out of it.
Port fuel injectors spray atomized fuel into the intake manifold about 3 inches (75 mm) from the ... Port fuel injectors spray atomized fuel into the intake manifold about 3 inches (75 mm) from the ...
How to find the derivative of a function when the base and exponent contain a variable x^x How to find the derivative of a function when the base and exponent contain a variable x^x
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: Coronary Heart Disease

For a complete list of videos, visit our video library