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

Author Question: Indicate whether the symbol r is a parameter or statistic. Justify your ... (Read 44 times)

scienceeasy

  • Hero Member
  • *****
  • Posts: 565
on: Jul 24, 2018
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
Reply #1 on: Jul 24, 2018
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
Excellent

meow1234

  • Member
  • Posts: 333
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Some drug labels show the USP symbol; others do not. Some drug labels show the USP symbol; others do not.
Most newer vehicles have a triangle symbol indicating the recommended hoisting lift location. Most newer vehicles have a triangle symbol indicating the recommended hoisting lift location.
A symbol showing an engine with an arrow pointing down is used on some General Motors vehicles to ... A symbol showing an engine with an arrow pointing down is used on some General Motors vehicles to ...
A symbol used on a Chrysler vehicle indicating a fault with the electronic throttle control. A symbol used on a Chrysler vehicle indicating a fault with the electronic throttle control.
Fifth Root Symbol Fifth Root Symbol
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 ≤ ...
Video: Coronary Heart Disease Animation

For a complete list of videos, visit our video library