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

Author Question: A random sample of n = 16 scores is selected from a normal distribution with = 500 and = 200 . For ... (Read 99 times)

K@

  • Hero Member
  • *****
  • Posts: 608
A random sample of n = 16 scores is selected from a normal distribution with  = 500 and  = 200 . For this sample, which of the following is true?
 
  a. p(402   b. p(425
Question 2

A random sample of n = 9 scores is selected from a normal distribution with  = 80 and  = 12 . What is the probability that the sample mean will be between 76 and 84?
 
  a. 0.9974 c. 0.3830
  b. 0.6826 d. 0.2586



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Pamela.irrgang@yahoo.com

  • Sr. Member
  • ****
  • Posts: 323
Answer to Question 1

A

Answer to Question 2

B




K@

  • Member
  • Posts: 608
Reply 2 on: Jun 20, 2018
:D TYSM


ghepp

  • Member
  • Posts: 361
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

Cyanide works by making the human body unable to use oxygen.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

For a complete list of videos, visit our video library