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

Author Question: A larger standard deviation of a normal distribution indicates that the distribution becomes: a. ... (Read 128 times)

dollx

  • Hero Member
  • *****
  • Posts: 558
on: Jun 24, 2018
A larger standard deviation of a normal distribution indicates that the distribution becomes:
 a. narrower and more peaked.
  b. flatter and wider.
  c. more skewed to the right.
  d. more skewed to the left.

Question 2

Given that Z is a standard normal random variable, a negative value (z) on its distribution would indicate:
 a. z is to the left of the mean.
  b. the standard deviation of this Z distribution is negative.
  c. the area between zero and the value z is negative.
  d. None of these choices.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

stanleka1

  • Sr. Member
  • ****
  • Posts: 325
Reply #1 on: Jun 24, 2018
Answer to Question 1

B

Answer to Question 2

A


dollx

  • Member
  • Posts: 558
Reply 2 on: Jun 24, 2018
YES! Correct, THANKS for helping me on my review

laurnthompson

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Normal lung volumes and capacities. Normal lung volumes and capacities.
Normal combustion is a smooth, controlled burning of the air–fuel mixture. Normal combustion is a smooth, controlled burning of the air–fuel mixture.
IQ scores form what mathematicians call a normal distribution "bell curve" IQ scores form what mathematicians call a normal distribution "bell curve"
People who are color-blind see colors differently. (a) Those with normal vision see the red leaves. People who are color-blind see colors differently. (a) Those with normal vision see the red leaves.
Bone formation in normal mice and mutants for the runt gene Cbfa1 Bone formation in normal mice and mutants for the runt gene Cbfa1
Distribution of fluid compartments in the body Distribution of fluid compartments in the body
Video: Structure of Amino Acid, Peptide Bonds & Polypeptides

For a complete list of videos, visit our video library