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 61 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
:D TYSM

kswal303

  • Member
  • Posts: 316
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Maintenance of normal blood glucose levels. Maintenance of normal blood glucose levels.
Refraction; A, normal eye; B, myopia; C, hyperopia. Refraction; A, normal eye; B, myopia; C, hyperopia.
The four processes of pharmacokinetics: absorption, distribution, metabolism, and excretion The four processes of pharmacokinetics: absorption, distribution, metabolism, and excretion
Iowa Gambling Task Scores Across Age Iowa Gambling Task Scores Across Age
Although the highest rates of disordered eating patterns occur among females, males are not immune Although the highest rates of disordered eating patterns occur among females, males are not immune
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
Video: How eudicots (true dicots) differ from monocots Animation

For a complete list of videos, visit our video library