How many people would need to be surveyed

Reference no: EM131064940

In 2011 Pew research asked a random sample of 799 U.S. teens about their internet use, and 49% of those teens reported that they had misrepresented their age online in order to gain access to websites or online services.

a) Pew also gave a 95% confidence interval, placing this proportion between 45.6% and 52.5% explain what 95% confidence interval means in this context.

b) How many people would need to be surveyed for a 95% confidence interval to ensure that the margin of error is 3% or less?

Reference no: EM131064940

Questions Cloud

Discuss the emergency management planning of smith hill : Discuss the emergency management planning of Smith Hill at the end of Chapter 3 in your Fundamentals of Emergency Management text. What are the problems with the Smith Hill Emergency Management organization?

Determine the moment of inertia ibb of a rectangle : Determine the moment of inertia IBB of a rectangle having sides of lengths b and h with respect to a diagonal of the rectangle

Write a post about the eop format that would be best suited : Write a post about the EOP format that would be best suited to use in the creation of a plan for your area. Be sure to use evidence from the reading and your area to support your posting.

How much has the tempraturedroopedin the first two hours : Food is placed in a freezer. after t hours the temperature of the food is changing in the rate of R=10e^-0.2t where R is in degrees F/hr. how much has the tempraturedroopedin the first two hours

How many people would need to be surveyed : In 2011 Pew research asked a random sample of 799 U.S. teens about their internet use, and 49% of those teens reported that they had misrepresented their age online in order to gain access to websites or online services

Which component important part of emergency planning process : Identify which component you consider the most important part of the emergency planning process. Be sure to defend your answer using what you have learned thus far.

Find the p-value of the observed difference : Suppose an advocacy organization surveys 960 canadians and 192 of them report being born in another country. Is a two-sided or a one-sided alternative hypothesis more appropriate here? find the p-value of the observed difference

What hazard adjustments would you recommend : Hazard adjustments assume that people live with a certain degree of threats that can be prevented or mitigated through certain actions. What hazard adjustments would you recommend based on these two hazards?

Discuss how you think you would respond to a hurricane : Discuss how you think you would respond to a hurricane, a terrorist incident, and a home fire. How are your natural responses similar or different from the guidelines provided in the text?

User Account

All Pages