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 78 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
:D TYSM

ebonylittles

  • Member
  • Posts: 318
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

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?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

The Distribution of the Earth's Wealth The Distribution of the Earth's Wealth
Distribution and Forms of Precipitation: Rain Distribution and Forms of Precipitation: Rain
Where Are All These Added Sugars Coming From? Where Are All These Added Sugars Coming From?
IQ scores form what mathematicians call a normal distribution "bell curve" IQ scores form what mathematicians call a normal distribution "bell curve"
Random distribution of dandelions Random distribution of dandelions
Population distribution patterns Population distribution patterns
Video: Mechanics of Sound Animation

For a complete list of videos, visit our video library