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

Author Question: If X is a normal random variable with a standard deviation of 10, then 3X has a standard deviation ... (Read 195 times)

audragclark

  • Hero Member
  • *****
  • Posts: 579
on: Jun 24, 2018
If X is a normal random variable with a standard deviation of 10, then 3X has a standard deviation equal to:
 a. 10 b. 13
  c. 30 d. 90

Question 2

A test with a 0.10 significance level has a larger rejection region than a test with a 0.05 significance level.
 a. True
  b. False
   Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

maaaaaaaaaa

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jun 24, 2018
Answer to Question 1

c

Answer to Question 2

TRUE


audragclark

  • Hero Member
  • *****
  • Posts: 579
Reply #2 on: Jun 24, 2018
Correct answers!


maaaaaaaaaa

  • Sr. Member
  • ****
  • Posts: 336
Reply #3 on: Jun 24, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Sickled and normal red blood cells Sickled and normal red blood cells
A karyotype arranges the chromosomes in a standard format A karyotype arranges the chromosomes in a standard format
(a) Chromosome painting with five different-colored markers in a normal cell. (b) Painting produces (a) Chromosome painting with five different-colored markers in a normal cell. (b) Painting produces
An endoscopic view of the colon of someone who carries the normal alleles for the APC gene An endoscopic view of the colon of someone who carries the normal alleles for the APC gene
MRI scans of normal elderly person compared to one with Alzheimer's MRI scans of normal elderly person compared to one with Alzheimer's
Separation of variable number tandem repeat (VNTR) alleles after PCR amplification Separation of variable number tandem repeat (VNTR) alleles after PCR amplification
Video: Graded potentials - electrical characteristics and types

For a complete list of videos, visit our video library