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 99 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
Excellent

at

  • Member
  • Posts: 359
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Three factors that influence the distribution of Na+ and K+ ions across the neural membrane. Three factors that influence the distribution of Na+ and K+ ions across the neural membrane.
The distribution of cones and rods over the human retina. The figure illustrates the number of cones ... The distribution of cones and rods over the human retina. The figure illustrates the number of cones ...
Expected Distribution of IQ Scores Expected Distribution of IQ Scores
Random distribution of dandelions Random distribution of dandelions
Distribution of Fluids in a Human Body Distribution of Fluids in a Human Body
Video: Michaelis–Menten equation & Kinetic parameters

For a complete list of videos, visit our video library