« previous next »

Author Question: A population has a mean of 70 and a standard deviation of 8. If samples of size N= 16 are randomly ... (Read 42 times)

sheilaspns

  • Hero Member
  • *****
  • Posts: 567
on: Jun 20, 2018
A population has a mean of 70 and a standard deviation of 8. If samples of size N= 16
  are randomly drawn from this population, then what proportion of sample means will fall
  between 66 to 74?
 
  a. .6826
  b. .3413
  c. .5000
   d. .9544

Question 2

A variable that can be measured only with a finite set of values is a ______ variable.
 
  a. discrete
  b. nondiscrete
  c. continuous
  d. discontinuous


huda

  • Sr. Member
  • ****
  • Posts: 304
Reply #1 on: Jun 20, 2018
Answer to Question 1

D

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Flipper tags have been extensively used in the study of penguin population dynamics. Flipper tags have been extensively used in the study of penguin population dynamics.
Standard Precautions for the Care of all Patients in All Health Care Settings Standard Precautions for the Care of all Patients in All Health Care Settings
How to write a quadratic equation in standard form when a graph is given How to write a quadratic equation in standard form when a graph is given
Population Indicators Population Indicators
Population Density versus Economic Growth Population Density versus Economic Growth
Human Population Growth Human Population Growth
Video: Glucose anabolism reactions: Glycogenolysis and Gluconeogenesis

For a complete list of videos, visit our video library