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

Author Question: About 95.4 of the values of a normal random variable are within approximately how many standard ... (Read 137 times)

809779

  • Hero Member
  • *****
  • Posts: 579
on: Jun 24, 2018
About 95.4 of the values of a normal random variable are within approximately how many standard deviations of its mean?
 a. 1.7
  b. 2
  c. 2.5
  d. 3

Question 2

We can use the normal distribution to make confidence interval estimates for the population proportion, p, when _____.
 a. np  5
  b. n(1  p)  5
  c. p has a normal distribution
  d. np  5 and n(1  p)  5


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

KKcool

  • Sr. Member
  • ****
  • Posts: 340
Reply #1 on: Jun 24, 2018
Answer to Question 1

b

Answer to Question 2

d


809779

  • Member
  • Posts: 579
Reply 2 on: Jun 24, 2018
Great answer, keep it coming :)

dawsa925

  • Member
  • Posts: 326
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

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.

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

The nurse is using Standard Precautions to draw blood. The nurse is using Standard Precautions to draw blood.
Normal Breath Sounds Normal Breath Sounds
Ranges of normal temperature values Ranges of normal temperature values
Standard precaution guidelines. Additional guidelines/protocols may be utilized depending on the ... Standard precaution guidelines. Additional guidelines/protocols may be utilized depending on the ...
The Dietary Reference Intakes Are Reference Values for Each Nutrient The Dietary Reference Intakes Are Reference Values for Each Nutrient
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: Fractures Animation

For a complete list of videos, visit our video library