Confidence interval estimate for population proportion

Reference no: EM1386863

In a survey of 2,395 adults, 1,916 reported that e-mails are easy to misinterpret, but only 1,269 reported that telephone conversations are easy to misinterpret. (Data extracted from "Open to Misinterpretation," USA Today, July 17, 2007, p. 1D.)

a) Construct a 95% confidence interval estimate for the population proportion of adults who report that e-mails are easy to misinterpret.

b) Construct a 95% confidence interval estimate for the population proportion of adults who report that telephone conversations are easy to misinterpret.

c) Compare the results of (a) and (b).

Reference no: EM1386863

Questions Cloud

Examine the model which bruce tuckman designed decades ago : Examine the model which Bruce Tuckman designed decades ago which is still considered a major work and is used today. Use the Library to review the Tuckman model and decide illustrates what phase you are in and the reasons for your conclusion.

Explain the phenotypes obtained in the f2 generation : Explain the phenotypes obtained in the F2 generation. Analyze the phenotypes and sexes of each fly. Is there a sex and phenotype combination that is absent or underrepresented?

Does southwest airlines have a durable competitive advantage : From its humble roots, Southwest Airlines has emerged as a major airline in the US In an industry where failure is more common than success. Does Southwest Airlines have a durable competitive advantage?

What must be the coefficient of static friction : As F is enhancement d, the block would either begin to slide, or begin to tip over. What must be the coefficient of static friction ms so that the block begins to slide rather than tip.

Confidence interval estimate for population proportion : Construct a 95% confidence interval estimate for the population proportion of adults who report that e-mails are easy to misinterpret.

Generating a vaccine prep : Assume you are looking for a particular pathogen in sample and you are using a highly selective medium, and so you make five 1:10 dilutions of sample and you plate 0.2 mLs of each dilution.

Assuming no other paths become critical : Assuming no other paths become critical, what action would you take to reduce the critical path 1 additional day? What is the total cost of the 2 day reduction?

Illustrate what are the key industry conditions : Illustrate what are the key industry conditions which render profits elusive for airlines? Does Southwest Airlines have a durable competitive advantage?

Dialogue between socrates and person : Write down two page dialogue between Socrates and a person of your choosing that accomplishes the following:

User Account

All Pages