« previous next »

Author Question: Suppose you wish to estimate a population proportion p based on sample of n observations. What ... (Read 26 times)

darbym82

  • Hero Member
  • *****
  • Posts: 570
on: Jul 24, 2018
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
Reply #1 on: Jul 24, 2018
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
« previous next »
 

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Three ways that factors affect mortality in response to changes in population density. Three ways that factors affect mortality in response to changes in population density.
Roots of the keystone species hypothesis: does a higher proportion of predators in diverse communiti Roots of the keystone species hypothesis: does a higher proportion of predators in diverse communiti
An Estimate of the Time of Global Peak Conventional Oil Production An Estimate of the Time of Global Peak Conventional Oil Production
Sample prescriptions of drugs for oral herpes infection. Sample prescriptions of drugs for oral herpes infection.
Population and Settlement Population and Settlement
A random sample of 87 airline pilots recruited by an airline service had an average yearly ... A random sample of 87 airline pilots recruited by an airline service had an average yearly ...
Video: Component of feedback systems & Communication and regulation of body systems

For a complete list of videos, visit our video library