This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Explain why the following statement is false: The mean of a probability distribution of a discrete ... (Read 87 times)

asd123

  • Hero Member
  • *****
  • Posts: 557
on: Jul 24, 2018
Explain why the following statement is false: The mean of a probability distribution of a discrete random variable always has a value equal to one of the values of the random variable.

Question 2

A histogram is said to be symmetric if, when we draw a vertical line down the center of the histogram, the two sides are identical in shape and size.
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

tandmlomax84

  • Sr. Member
  • ****
  • Posts: 323
Reply #1 on: Jul 24, 2018
Answer to Question 1

Although variables are discrete, very likely the mean could be a non-discrete value and therefore, not equal to one of the variables.

Answer to Question 2

T


asd123

  • Member
  • Posts: 557
Reply 2 on: Jul 24, 2018
:D TYSM

6ana001

  • Member
  • Posts: 311
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

False killer whales False killer whales
Distribution of Rods and Cones on the Retina Distribution of Rods and Cones on the Retina
Distribution and Forms of Precipitation: Freezing Rain Distribution and Forms of Precipitation: Freezing Rain
Percentage distribution of outcomes of teenaged pregnancy Percentage distribution of outcomes of teenaged pregnancy
Population distribution patterns Population distribution patterns
Video: Osmosis - water transport

For a complete list of videos, visit our video library