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 114 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

adammoses97

  • Member
  • Posts: 337
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Did you know?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

A very high-resolution texture of the Moon, including a normal map A very high-resolution texture of the Moon, including a normal map
Vasectomy. (a) Vas deferens is located within the spermatic cord on both sides. (b) A small incision Vasectomy. (a) Vas deferens is located within the spermatic cord on both sides. (b) A small incision
A comparison of (a) uniform, cup-shaped, normal erythrocytes A comparison of (a) uniform, cup-shaped, normal erythrocytes
Mammograms. (A) Mammogram procedure. (B) Film of normal breast. (C) Film of breast with tumor. Mammograms. (A) Mammogram procedure. (B) Film of normal breast. (C) Film of breast with tumor.
The Distribution of Pressure The Distribution of Pressure
A Normal Fault A Normal Fault
Video: Protein Secondary and Tertiary Structures - Animation

For a complete list of videos, visit our video library