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 211 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 inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.

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?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Osteoporosis. (a) A section through normal spongy bone. (b) A section through a bone with osteoporos Osteoporosis. (a) A section through normal spongy bone. (b) A section through a bone with osteoporos
The reflection nebula NGC 1999 is brilliantly illuminated by V380 Orionis (center), a variable star The reflection nebula NGC 1999 is brilliantly illuminated by V380 Orionis (center), a variable star
Modification of neural transmission in the central nervous system: (a) normal transmission; (b) ... Modification of neural transmission in the central nervous system: (a) normal transmission; (b) ...
Neutrophils in a normal blood smear. Neutrophils in a normal blood smear.
How to sketch a quadratic equation that is in standard form (Question 1) How to sketch a quadratic equation that is in standard form (Question 1)
Identical Twin Normal Birth Position Identical Twin Normal Birth Position
Video: Dissociative Disorders (Part 3)

For a complete list of videos, visit our video library