This topic contains a solution. Click here to go to the answer

Author Question: Which of the following can have an exponential distribution? a. Time between phone calls coming in ... (Read 76 times)

joblessjake

  • Hero Member
  • *****
  • Posts: 555
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
Answer to Question 1

D

Answer to Question 2

A




joblessjake

  • Member
  • Posts: 555
Reply 2 on: Jun 24, 2018
YES! Correct, THANKS for helping me on my review


skipfourms123

  • Member
  • Posts: 343
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Did you know?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

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.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

For a complete list of videos, visit our video library