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

Author Question: What z-score value separates the highest 10 of the scores in a normal distribution from the lowest ... (Read 115 times)

storky111

  • Hero Member
  • *****
  • Posts: 561
on: Jun 20, 2018
What z-score value separates the highest 10 of the scores in a normal distribution from the lowest 90?
 
  a. z = 1.28 c. z = 1.28
  b. z = 0.25 d. z = 0.25

Question 2

What is the probability of randomly selecting a z-score less than z = 1.25 from a normal distribution?
 
  a. 0.8944 c. 0.3944
  b. 0.1056 d. 0.2112


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

carolinefletcherr

  • Sr. Member
  • ****
  • Posts: 313
Reply #1 on: Jun 20, 2018
Answer to Question 1

A

Answer to Question 2

B


storky111

  • Member
  • Posts: 561
Reply 2 on: Jun 20, 2018
YES! Correct, THANKS for helping me on my review

tkempin

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

Comparison of normal-shaped erythro- cytes and the abnormal sickle shape noted in patients with sick Comparison of normal-shaped erythro- cytes and the abnormal sickle shape noted in patients with sick
Normal changes in the breast during a woman's life span Normal changes in the breast during a woman's life span
A scope display showing a normal Chevrolet Equinox MAF sensor at idle speed. the frequency is 2,600 ... A scope display showing a normal Chevrolet Equinox MAF sensor at idle speed. the frequency is 2,600 ...
Cumulative Standard Normal Distribution Cumulative Standard Normal Distribution
The phenotypic distribution in a cross with two traits: seed color and seed shape. Plants in the F2 The phenotypic distribution in a cross with two traits: seed color and seed shape. Plants in the F2
The karyotype of an XYY male. Affected individuals are usually taller than normal, and some, but not The karyotype of an XYY male. Affected individuals are usually taller than normal, and some, but not
Video: Magnetic resonance imaging (MRI)

For a complete list of videos, visit our video library