Problem regarding the confidence intervals

Reference no: EM131008813

Confidence intervals

Several factors are involved in the creation of a confidence interval. Among them are the sample size, the level of confidence, and the margin of error. Which statements are true?

a) For a given sample size, higher confidence means a smaller margin of error.

b) For a specified confidence level, larger samples provide smaller margins of error.

c) For a fixed margin of error, larger samples provide greater confidence.

d) For a given confidence level, halving the margin of error requires a sample twice as large.

Reference no: EM131008813

Questions Cloud

Estimate of the percent of american adults : Find the margin of error for this poll if we want 90% confidence in our estimate of the percent of American adults who do not use e-mail.

Find joannas monthly credit card payment : Find Joanna's monthly credit card payment. Assume that Joanna makes every payment for the life of the loan. Find her total payments. How much interest does Joanna pay?

Creation of a confidence interval : Confidence intervals, again. Several factors are involved in the creation of a confidence interval. Among them are the sample size, the level of confidence, and the margin of error. Which statements are true?

Brief description of two neurological factors : Brief description of two neurological factors that may be related to criminal behavior. Then, describe what potential they each demonstrate for predicting criminal behavior and explain why, using specific examples

Problem regarding the confidence intervals : Several factors are involved in the creation of a confidence interval. Among them are the sample size, the level of confidence, and the margin of error. Which statements are true?

Problem regarding the sure of getting : Recently, two students made worldwide headlines by spinning a Belgian euro 250 times and getting 140 heads-that's 56%. That makes the 90% confidence interval (51%, 61%). What does this mean? Are the conclusions in parts a-e correct? Explain your a..

How many music players will be bought : How many music players will be bought at a price of $260? Graph the demand function for 0 ≤ x ≤ 400. Find the marginal demand, q'(x). Interpret the meaning of the derivative.

Propose a structure for the compound : Propose a structure for the compound - assign the 1H NMR and 13C NMR spectra for each compound

Define suburban sprawl : Define suburban sprawl and describe how human population growth causes it. List the negative, environmental impacts caused by suburban sprawl

User Account

All Pages