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

Author Question: A sampling distribution of means for samples of students taking the SAT exam has a population mean ... (Read 66 times)

mrsjacobs44

  • Hero Member
  • *****
  • Posts: 500
on: Jun 20, 2018
A sampling distribution of means for samples of students taking the SAT exam has a population mean of 500 and a standard error of 200 . What proportion of sample means would fall between the population mean and a sample mean of 800?
 
  a. 0.5000 c. 0.1915
  b. 0.3413 d. 0.4332

Question 2

If a school's z-score for its sample mean was +3, its percentile rank in the state was
 
  a. 99.87. c. 85.87.
  b. 90.87. d. 95.87.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

juwms

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Jun 20, 2018
Answer to Question 1

D

Answer to Question 2

A


mrsjacobs44

  • Member
  • Posts: 500
Reply 2 on: Jun 20, 2018
Great answer, keep it coming :)

sultana.d

  • Member
  • Posts: 320
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

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

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

Three ways that factors affect mortality in response to changes in population density. Three ways that factors affect mortality in response to changes in population density.
Body size and population density of herbivorous mammals Body size and population density of herbivorous mammals
The four processes of pharmacokinetics: absorption, distribution, metabolism, and excretion. The four processes of pharmacokinetics: absorption, distribution, metabolism, and excretion.
A weather map depicting the sea-level pressure distribution for March 4, 1994. A weather map depicting the sea-level pressure distribution for March 4, 1994.
The population of Asia increases rapidly, the demand for food and water is also growing The population of Asia increases rapidly, the demand for food and water is also growing
Human Population Growth Human Population Growth
Video: Pasteur's Experiment

For a complete list of videos, visit our video library