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 358 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
Great answer, keep it coming :)

DylanD1323

  • Member
  • Posts: 314
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

If you could remove all of your skin, it would weigh up to 5 pounds.

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

Did you know?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

A typical variable cam timing control valve. The solenoid is controlled by the engine computer and ... A typical variable cam timing control valve. The solenoid is controlled by the engine computer and ...
Variable Gases of the Atmosphere Variable Gases of the Atmosphere
Variable Gases: Ozone Variable Gases: Ozone
How to solve a linear system when the variable is in the denominator position (Question 2 of 2) How to solve a linear system when the variable is in the denominator position (Question 2 of 2)
How to rearrange formulas to isolate for a variable How to rearrange formulas to isolate for a variable
Variable expressivity of Waardenburg syndrome Variable expressivity of Waardenburg syndrome
Video: Interview with Person who has Schizophrenia

For a complete list of videos, visit our video library