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

Author Question: Indicate whether the symbol r is a parameter or statistic. Justify your ... (Read 101 times)

scienceeasy

  • Hero Member
  • *****
  • Posts: 565
Indicate whether the symbol r is a parameter or statistic. Justify your answer.

Question 2

Given a Poisson random variable x, where the average number of times an event occurs in a certain period of time or space is 1.5, then P(x = 2) is:
 a. 0.2231
  b. 0.5020
  c. 0.2510
  d. 0.1116
  e. 0.5



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

tranoy

  • Sr. Member
  • ****
  • Posts: 344
Answer to Question 1

The symbol r is a statistic since it represents the sample correlation coefficient.

Answer to Question 2

C




scienceeasy

  • Member
  • Posts: 565
Reply 2 on: Jul 24, 2018
Wow, this really help


mammy1697

  • Member
  • Posts: 341
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

For a complete list of videos, visit our video library