« previous next »

Author Question: A chi-square goodness-of-fit-test is to be performed to see if data fit the Poisson distribution. ... (Read 58 times)

dejastew

  • Hero Member
  • *****
  • Posts: 562
on: Jun 24, 2018
A chi-square goodness-of-fit-test is to be performed to see if data fit the Poisson distribution. There are 5 categories, and the parameter  must be estimated. How many degrees of freedom should be used?
 
  A) 5
  B) 4
  C) 3
  D) 2

Question 2

What is P(X  2 )?
 
  What will be an ideal response?


beccamahon

  • Sr. Member
  • ****
  • Posts: 338
Reply #1 on: Jun 24, 2018
Answer to Question 1

C

Answer to Question 2

0.23 + 0.17 + 0.16 + 0.14 + 0.04 = 0.74


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

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 Normal Distribution of Scores for a Standardized Intelligence Test The Normal Distribution of Scores for a Standardized Intelligence Test
Using an ice bath to test the fuel temperature sensor. Using an ice bath to test the fuel temperature sensor.
Herpes simplex 2 rapid test. Herpes simplex 2 rapid test.
Population distribution (dispersion) Population distribution (dispersion)
A container in the shape of a right circular cylinder with no top has surface area square feet. A container in the shape of a right circular cylinder with no top has surface area square feet.
A Punnett square can be used to derive the F2 ratios in a cross from the F1 generation. A Punnett square can be used to derive the F2 ratios in a cross from the F1 generation.
Video: Acid-base imbalances - respiratory acidosis and alkalosis

For a complete list of videos, visit our video library