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

Author Question: The number of electrical outages in a city varies from day to day. Assume that the number of ... (Read 99 times)

geoffrey

  • Hero Member
  • *****
  • Posts: 880
on: Jun 24, 2018
The number of electrical outages in a city varies from day to day. Assume that the number of electrical outages (x) in the city has the following probability distribution. x f(x) 0 0.80 1 0.15 2 0.04 3 0.01 The mean and the standard deviation for the number of electrical outages (respectively) are
 a. 2.6 and 5.77
  b. 0.26 and 0.577
  c. 3 and 0.01
  d. 0 and 0.8

Question 2

An experiment consists of determining the speed of automobiles on a highway by the use of radar equipment. The random variable in this experiment is a
 a. discrete random variable
  b. continuous random variable
  c. complex random variable
  d. simplex random variable


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Sarahjh

  • Sr. Member
  • ****
  • Posts: 370
Reply #1 on: Jun 24, 2018
Answer to Question 1

B

Answer to Question 2

B


geoffrey

  • Member
  • Posts: 880
Reply 2 on: Jun 24, 2018
:D TYSM

hramirez205

  • Member
  • Posts: 345
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Relationship between Hox gene number and body complexity in different types of animals. Relationship between Hox gene number and body complexity in different types of animals.
Mammals posses a number of physiological pathways related to stress. One example is the hypothalamic Mammals posses a number of physiological pathways related to stress. One example is the hypothalamic
Aftermath of the 2005 Texas City Refinery Explosion Aftermath of the 2005 Texas City Refinery Explosion
A typical module-controlled high-side driver (HSD) where the module itself supplies the electrical ... A typical module-controlled high-side driver (HSD) where the module itself supplies the electrical ...
Human Diseases Associated with Copy Number Variants Human Diseases Associated with Copy Number Variants
Chromosome Number in Selected Animal Species Chromosome Number in Selected Animal Species
Video: Glomerular filtrate rate: pressures that affect GFR, NFP & GFR and blood composition

For a complete list of videos, visit our video library