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

Author Question: Let X be a Poisson random variable with mean , what is the P(X=2)? a.0.27 b.0.54 c.0.184 ... (Read 92 times)

Mimi

  • Hero Member
  • *****
  • Posts: 542
on: Jun 24, 2018

  Let X be a Poisson random variable with mean , what is the P(X=2)?
 

  a.0.27
  b.0.54
  c.0.184
  d.1.36

Question 2


  If the random variable X has a binomial distribution with n = 30 and , what are the mean and standard deviation of X?
 

  a.
  b.
  c.
  d.E(X) =3, Var(X) = 2.1


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

nekcihc358

  • Sr. Member
  • ****
  • Posts: 327
Reply #1 on: Jun 24, 2018
Answer to Question 1

correct: c

Answer to Question 2

correct: a


Mimi

  • Member
  • Posts: 542
Reply 2 on: Jun 24, 2018
Thanks for the timely response, appreciate it

Chelseyj.hasty

  • Member
  • Posts: 319
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Random X-chromosome inactivation in a calico cat. Random X-chromosome inactivation in a calico cat.
Random Random
The location of the variable fuel sensor can vary, depending on the make and model of vehicle, but ... The location of the variable fuel sensor can vary, depending on the make and model of vehicle, but ...
) Random assortment of maternal (blue) and paternal (purple) chromosomes at metaphase ) Random assortment of maternal (blue) and paternal (purple) chromosomes at metaphase
If the random variable x is exponentially distributed with parameter λ = 4, then P(x ≤ ... If the random variable x is exponentially distributed with parameter λ = 4, then P(x ≤ ...
One generation of random mating produces Hardy–Weinberg equilibrium One generation of random mating produces Hardy–Weinberg equilibrium
Video: Primate Evolutionary Tree Animation

For a complete list of videos, visit our video library