Question

A statewide public opinion survey of 200 respondents is being conducted by Candidate Jones. Jones wishes...

A statewide public opinion survey of 200 respondents is being conducted by Candidate Jones. Jones wishes to be 95 percent confident that the margin of error is ±5 percent. Is the sample size sufficient to satisfy Jones’s requirements? If not, what minimum sample size does Jones need?

quickly please
 

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A newspaper conducted a statewide survey concerning the 1998 race for state senator. The newspaper took...
A newspaper conducted a statewide survey concerning the 1998 race for state senator. The newspaper took a random sample (assume it is an SRS) of registered voters. Let p represent the proportion of registered voters in the state that would vote for the Republican candidate. How large a sample n would you need to estimate p with margin of error 0.03 with 99% confidence
(a) A newspaper conducted a statewide survey concerning the 1998 race for state senator. The newspaper...
(a) A newspaper conducted a statewide survey concerning the 1998 race for state senator. The newspaper took a SRS of 1200 registered voters and found that 620 would vote for the Republican candidate. Let pp represent the proportion of registered voters in the state who would vote for the Republican candidate. How large a sample nn would you need to estimate pp with a margin of error 0.01 with 95 percent confidence? Use the guess p=.5p=.5 as the value of...
A polling organization conducted a statewide survey concerning the race for governor. In a random phone...
A polling organization conducted a statewide survey concerning the race for governor. In a random phone number survey, 400 registered voters responded. It was found that 230 would vote for the Democratic candidate. Let p represent the proportion of registered voters in the state that would vote for the Democratic candidate. Assume the sample of respondents is equivalent to a random sample from the population of registered voters in the state. 1. Calculate the standard error for the estimate of...
6.5 Prop 19 in California. In a 2010 Survey USA poll, 70% of the 119 respondents...
6.5 Prop 19 in California. In a 2010 Survey USA poll, 70% of the 119 respondents between the ages of 18 and 34 said they would vote in the 2010 general election for Prop 19, which would change California law to legalize marijuana and allow it to be regulated and taxed. At a 95% confidence level, this sample has an 8% margin of error. Based on this information, determine if the following statements are true or false, and explain your...
1) The Pew Research Center Internet Project conducted a survey of 907 Internet users. This survey...
1) The Pew Research Center Internet Project conducted a survey of 907 Internet users. This survey provided a variety of statistics on them. If required, round your answers to four decimal places. (a) The sample survey showed that 90% of respondents said the Internet has been a good thing for them personally. Develop a 95% confidence interval for the proportion of respondents who say the Internet has been a good thing for them personally. to (b) The sample survey showed...
The Pew Research Center Internet Project conducted a survey of 957 Internet users. This survey provided...
The Pew Research Center Internet Project conducted a survey of 957 Internet users. This survey provided a variety of statistics on them. If required, round your answers to four decimal places. (a) The sample survey showed that 90% of respondents said the Internet has been a good thing for them personally. Develop a 95% confidence interval for the proportion of respondents who say the Internet has been a good thing for them personally. ____to____ (b) The sample survey showed that...
The Pew Research Center Internet Project conducted a survey of 857 Internet users. This survey provided...
The Pew Research Center Internet Project conducted a survey of 857 Internet users. This survey provided a variety of statistics on them. If required, round your answers to four decimal places. (a) The sample survey showed that 90% of respondents said the Internet has been a good thing for them personally. Develop a 95% confidence interval for the proportion of respondents who say the Internet has been a good thing for them personally. to (b) The sample survey showed that...
The American Enterprise Institute (AEI) Public Opinion Study found that 86% of Americans are satisfied with...
The American Enterprise Institute (AEI) Public Opinion Study found that 86% of Americans are satisfied with their job (AEI website, December 4, 2015). Is this consistent across age groups? A follow-up survey revealed that 72% of Americans age 18–30 are satisfied with their job, 85% of Americans age 31–50 are satisfied with their job, and 93% of Americans age 51–70 are satisfied with their job. Suppose that 200 workers were surveyed in each age group. a.) Construct a 95% confidence...
In a 2010 SurveyUSA poll, 70% of the 119 respondents between the ages of 18 and...
In a 2010 SurveyUSA poll, 70% of the 119 respondents between the ages of 18 and 34 said that they would vote in the 2010 general election for Prop19, which would change California law to legalize marijuana and allow it to be regulated and taxed. At a 95% confidence level, the sample has an 8% margin of error. Based on this information, indicate which of the following statement(s) is/are false, and explain your reasoning. a) We are 95% confident that...
The elves of the mount wish to conduct a survey of their pick-axes in order to...
The elves of the mount wish to conduct a survey of their pick-axes in order to construct a 95% confidence interval about the proportion of pick-axes in need of repair. What minimum sample size would be necessary in order ensure a margin of error of 10 percentage points (or less) if they use the prior estimate that 21 percent of the pick-axes are in need of repair?
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT