Author Question: The sample size that guarantees all estimates of proportions will meet the margin of error ... (Read 44 times)

eruditmonkey@yahoo.com

  • Hero Member
  • *****
  • Posts: 546
The sample size that guarantees all estimates of proportions will meet the margin of error requirements is computed using a planning value of p equal to _____.
 a. .01
  b. .50
  c. .51
  d. .99

Question 2

Suppose x is a normally distributed random variable with a mean of 8 and a standard deviation of 4 . The probability that x is between 1.48 and 15.56 is _____.
 a. .0222
  b. .4190
  c. .5222
  d. .9190



Yixagurpuldink

  • Sr. Member
  • ****
  • Posts: 341
Answer to Question 1

b

Answer to Question 2

d



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

For a complete list of videos, visit our video library