« previous next »

Author Question: From a population that is normally distributed with an unknown standard deviation, a sample of 25 ... (Read 135 times)

fahad

  • Hero Member
  • *****
  • Posts: 570
on: Jun 24, 2018
From a population that is normally distributed with an unknown standard deviation, a sample of 25 elements is selected. For the interval estimation of , the proper distribution to use is the _____.
 a. standard normal distribution
  b. z distribution
  c. t distribution with 26 degrees of freedom
  d. t distribution with 24 degrees of freedom

Question 2

Excel's NORM.DIST function can be used to compute _____.
 a. cumulative probabilities for a standard normal z value
  b. the standard normal z value given a cumulative probability
  c. cumulative probabilities for a normally distributed x value
  d. the normally distributed x value given a cumulative probability


amy.lauersdorf90

  • Sr. Member
  • ****
  • Posts: 327
Reply #1 on: Jun 24, 2018
Answer to Question 1

d

Answer to Question 2

c


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

fahad

  • Hero Member
  • *****
  • Posts: 570
Reply #2 on: Jun 24, 2018
Correct answers!


amy.lauersdorf90

  • Sr. Member
  • ****
  • Posts: 327
Reply #3 on: Jun 24, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

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?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Blood glucose measurement. A postprandial test may be self-administered. (a) A lance pierces the ski Blood glucose measurement. A postprandial test may be self-administered. (a) A lance pierces the ski
An aryballe vase or decanter made for carrying body oils clearly demonstrates that ancient Greeks we An aryballe vase or decanter made for carrying body oils clearly demonstrates that ancient Greeks we
ABO and Rh grouping using gelatin centrifugation. The blood sample above is AB negative as indicated ... ABO and Rh grouping using gelatin centrifugation. The blood sample above is AB negative as indicated ...
Population Growth and Mobility Population Growth and Mobility
Population Patterns Population Patterns
A 0.51 m aqueous solution of an unknown solute has a boiling point elevation of 0.62°C. The ... A 0.51 m aqueous solution of an unknown solute has a boiling point elevation of 0.62°C. The ...
Video: DNA Replication Factory and Protein

For a complete list of videos, visit our video library