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 65 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
Great answer, keep it coming :)

kalskdjl1212

  • Member
  • Posts: 353
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

The distribution of the tarsier. The distribution of the tarsier.
Earth’s history is divided into nested sets of time--eons, eras, periods, and epochs--and is called Earth’s history is divided into nested sets of time--eons, eras, periods, and epochs--and is called
Historical Time Line of Regulatory Acts, Standards, and Organizations Historical Time Line of Regulatory Acts, Standards, and Organizations
A Frequency Distribution A Frequency Distribution
How to solve exponential equations without logarithms (Part 1) How to solve exponential equations without logarithms (Part 1)
Exponential Growth in Mice Exponential Growth in Mice
Video: System organization - PPM system types (Somatic, Autonomic & Enteric) and Reflex arc types

For a complete list of videos, visit our video library