This topic contains a solution. Click here to go to the answer

Author Question: A larger standard deviation of a normal distribution indicates that the distribution becomes: a. ... (Read 142 times)

dollx

  • Hero Member
  • *****
  • Posts: 558
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
Answer to Question 1

B

Answer to Question 2

A




dollx

  • Member
  • Posts: 558
Reply 2 on: Jun 24, 2018
Thanks for the timely response, appreciate it


daiying98

  • Member
  • Posts: 354
Reply 3 on: Yesterday
Gracias!

 

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

For a complete list of videos, visit our video library