Author Question: Suppose you wish to estimate a population proportion p based on sample of n observations. What ... (Read 56 times)

darbym82

  • Hero Member
  • *****
  • Posts: 570
Suppose you wish to estimate a population proportion p based on sample of n observations. What sample size is required if you want your estimate to be within .03 of p with probability equal to 0.90?
 a. 752
  b. 423
  c. 1,068
  d. 1.529
  e. none of these

Question 2

Explain why nonparametric methods are also called distribution-free methods.



Amiracle

  • Sr. Member
  • ****
  • Posts: 334
Answer to Question 1

A

Answer to Question 2

Nonparametric methods do not depend on the distribution of the population being sampled. This is why they are called distribution-free methods.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

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?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

For a complete list of videos, visit our video library