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

Author Question: Which of the following can have an exponential distribution? a. Time between phone calls coming in ... (Read 74 times)

joblessjake

  • Hero Member
  • *****
  • Posts: 555
on: Jun 24, 2018
Which of the following can have an exponential distribution?
 a. Time between phone calls coming in to a technical support desk.
  b. Time until the first customer arrives at the bank in the morning.
  c. Lifetime of a new battery.
  d. All of these choices are true.

Question 2

If the random variable X is exponentially distributed with parameter  = 4, then the probability P(X  0.25), up to 4 decimal places, is
 a. 0.6321
  b. 0.3679
  c. 0.2500
  d. None of these choices.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

dudman123

  • Sr. Member
  • ****
  • Posts: 304
Reply #1 on: Jun 24, 2018
Answer to Question 1

D

Answer to Question 2

A


joblessjake

  • Member
  • Posts: 555
Reply 2 on: Jun 24, 2018
Thanks for the timely response, appreciate it

TheNamesImani

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Distribution of Aggregate Mining Distribution of Aggregate Mining
Insecticide application over time Insecticide application over time
Do Phone Use and Driving Mix? Do Phone Use and Driving Mix?
Disitive Time For Vegetables Disitive Time For Vegetables
Disitive Time For Fruits Disitive Time For Fruits
Time-of-entry mapping Time-of-entry mapping
Video: Frequency of stimulation and force (Recruitment of motor units and force)

For a complete list of videos, visit our video library