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 33 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
YES! Correct, THANKS for helping me on my review

komodo7

  • Member
  • Posts: 322
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

The distribution of lorsies and galagos. The distribution of lorsies and galagos.
Changes in Time Spent with Family Members Changes in Time Spent with Family Members
Sterilization Time Requirements Cont Sterilization Time Requirements Cont
Aggregates are people who happen to be in the same place at the same time. Aggregates are people who happen to be in the same place at the same time.
The four processes of pharmacokinetics: absorption, distribution, metabolism, and excretion. The four processes of pharmacokinetics: absorption, distribution, metabolism, and excretion.
Distribution of the World’s Population Distribution of the World’s Population
Video: Bond in biological molecules (Ionic, Covalent and Hydrogen bonds)/ How atoms bond?

For a complete list of videos, visit our video library