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 197 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?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

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?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Normal glomerulus. Acute glomerulonephritis. Normal glomerulus. Acute glomerulonephritis.
p53 (normal cell vs tumor cell) p53 (normal cell vs tumor cell)
A cutaway view of a typical variable fuel sensor. A cutaway view of a typical variable fuel sensor.
Electrophoresis gel in a densitometer. SPE densitometry showing a normal pattern. Electrophoresis gel in a densitometer. SPE densitometry showing a normal pattern.
A cross section of muscle showing the molecular organization within the muscle fiber. In normal musc A cross section of muscle showing the molecular organization within the muscle fiber. In normal musc
Normal physiologic mechanisms of the body that restore homeostasis to the balance of serum calcium Normal physiologic mechanisms of the body that restore homeostasis to the balance of serum calcium
Video: Stages of Mitosis - Prophase, Prometaphase, Metaphase, Anaphase & Telophase

For a complete list of videos, visit our video library