« previous next »

Author Question: Using an = .04, a confidence interval for a population proportion is determined to be .65 to .75 . ... (Read 69 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?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

The mark-recapture technique is often used to estimate population size. The mark-recapture technique is often used to estimate population size.
Human Population Blasts Off Human Population Blasts Off
The proportion of obese and extremely obese adults in the United States has increased over the past The proportion of obese and extremely obese adults in the United States has increased over the past
Population and Settlement Population and Settlement
Population Ecology "البيئة السكان" Population Ecology "البيئة السكان"
The Means and Extremes of a Proportion The Means and Extremes of a Proportion
Video: Osmosis - Isotonic, Hypotonic, and Hypertonic​ Solutions

For a complete list of videos, visit our video library