« previous next »

Author Question: Using an = .04, a confidence interval for a population proportion is determined to be .65 to .75 . ... (Read 114 times)

bcretired

  • Hero Member
  • *****
  • Posts: 525
on: Jun 24, 2018
Using an  = .04, a confidence interval for a population proportion is determined to be .65 to .75 . For the same data, if  is decreased, the confidence interval for the population proportion
 a. becomes narrower.
   b. becomes wider.
   c. uses a zero margin of error.
   d. remains the same.

Question 2

Which of the following exponential smoothing constant values puts the same weight on the most recent time series value as does a five-period moving average?
 a.  = .2
 b.  = .25
  c.  = .75
  d.  = .8


babybsemail

  • Sr. Member
  • ****
  • Posts: 304
Reply #1 on: Jun 24, 2018
Answer to Question 1

b

Answer to Question 2

a


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

The Distribution of the World's Land and Population The Distribution of the World's Land and Population
Population Growth Versus Stability Population Growth Versus Stability
Time vs. USA Population Exponential Time vs. USA Population Exponential
The population of a city has continued to grow since 1950. The population of a city has continued to grow since 1950.
A hypothesis test is performed to test the claim that a population proportion is greater than ... A hypothesis test is performed to test the claim that a population proportion is greater than ...
Mutagenicity of aflatoxin B1 determined by the Ames test Mutagenicity of aflatoxin B1 determined by the Ames test
Video: Acid-base imbalances - metabolic acidosis and alkalosis

For a complete list of videos, visit our video library