Question

How would i code this using Rstudio This is a digression from the weather data prompted...

How would i code this using Rstudio

This is a digression from the weather data prompted by a news item I read this morning. A politician gets a favorable rating of 35% in a poll, using a sample of 1,000 people. Give a 95% confidence for the true proportion of the population who have a favorable opinion of the politician. Describe the confidence interval.

0 0
Add a comment Improve this question Transcribed image text
Know the answer?
Add Answer to:
How would i code this using Rstudio This is a digression from the weather data prompted...
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. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • i started it but then i got lost, please correct me if im wrong! also, include...

    i started it but then i got lost, please correct me if im wrong! also, include sketch, thank u :) During a national debate on changes to health care, a cable news service performs an opinion poll of 500 small business owners. It shows that 65% of small-business owners do not approve of health care changes. Develop a 95% confidence interval for the proportion opposing health care changes. Use 4 decimal places. Answers Point Estimate 0.65 0.65 Standard Error 0.04...

  • I struggle with Rstudio and would like to know how I can complete these equations by using Rstudio and a .csv file rather than manually. Thankyou 1. A certain river, fed by various tributaries, usuall...

    I struggle with Rstudio and would like to know how I can complete these equations by using Rstudio and a .csv file rather than manually. Thankyou 1. A certain river, fed by various tributaries, usually has a pH of about 6.3 (slightly acidic). Water_pH.csv contains pH values from randomly-selected sites on this river and its tributaries. a) Is there evidence the average pH of this river has changed from the usual value of 6.3? Evaluate the evidence using a hypothesis...

  • 4. Where people turn for news is different for various age groups. (Data extracted from "Cellphone Users Who Access...

    4. Where people turn for news is different for various age groups. (Data extracted from "Cellphone Users Who Access News on Their Phones," USA Today, March 1, 2010, p. 1 A.) A study was conducted on the use of cellphones for accessing news. The study reported that 47% of users under age 50 and 15% of users age 50 and over accessed news on their cellphones. Suppose that the survey consisted of 1,000 users under age 50, of whom 470...

  • Directions: Please complete the case study by following the prompted directions and answering the...

    Directions: Please complete the case study by following the prompted directions and answering the following questions. Many questions are asking for your opinion on the analysis of data/graphs, therefore many answers are considered acceptable with a proper explanation. You hould turn in any graphs/questions that are asked for; if I do not ask for a graph or explanation it is not necessary. The solutions should be numbered based on the question you are answering The solutions may be hand written...

  • 5. I took a random sample of people from the 2000 U.S. Census and recorded the...

    5. I took a random sample of people from the 2000 U.S. Census and recorded the incomes. The sample size was n = 30 (with replacement). The average of the sample was $23606 and the standard deviation of the sample was $24757. Answer these questions using the statistics that I found from my sample. a) Find a 95% confidence interval for the mean income of the population. b) What assumptions must you make? c) Your confidence interval is of the...

  • How would I slove these using calculator functions 1. A survey of 700 non-fatal accidents showed...

    How would I slove these using calculator functions 1. A survey of 700 non-fatal accidents showed that 2. A researcher at a major clinic wishes to estimate 163 involved uninsured drivers. Construct a 99% | the proportion of the adult population of the United confidence interval for the proportion of non-fat States that has sleep deprivation. How large a accidents that involved uninsured drivers. (Round 1 sample is needed in order to be 95% confident that to three decimal places...

  • Q3: Practice building Confidence Intervals For each scenario, take the sample data and build up the specified confidence interval for the specified population parameter. a. Scenario: You want t...

    Q3: Practice building Confidence Intervals For each scenario, take the sample data and build up the specified confidence interval for the specified population parameter. a. Scenario: You want to know the average number of calories you consume per day. Over the next 5 months you randomly select 25 days and carefully record your consumption on those days (assume that you don't change your eating habits) Build an 80% confidence interval for your average daily consumption of calories if the following...

  • I recommend that you practice using the standard Normal tables to calculate zα/2 and tα/2 ....

    I recommend that you practice using the standard Normal tables to calculate zα/2 and tα/2 . Costs are rising for all kinds of health care. The mean monthly rent at assisted-living facilities was recently reported to have increased 15% over the last five years. A recent random sample of 120 observations reported a sample mean of $3563. Assume that past studies have informed us that the population standard deviation is $650. For this problem, round your answers to 2 digits...

  • 1. The paper "How Happy Was I, AnywayT A Retrospective Impact Bla" (Social Cognition (2003): 421-446)...

    1. The paper "How Happy Was I, AnywayT A Retrospective Impact Bla" (Social Cognition (2003): 421-446) reported on a experiment designed to assess the extent to which people rationalize poor performance. In this study, 246 college undergraduntes were assigned at random to one of two groupe - a negative feedback group OF A positive feedback group. Each participant took a test in which they were asked to guess the emotions displayed in photographs of faces. At the end of the...

  • can I get some help please? Problem 2. "Do you think we are prepared for another...

    can I get some help please? Problem 2. "Do you think we are prepared for another terrorist attack?" Public opinion pollsters report the results of such poll questions as the proportion who respond affirmatively (ie, they say YES) and a "margin of error." By "margin of error," they mean the quantity that is added to, and subtracted from, the point estimate to get the upper and lower confidence limits. Suppose that you work for such a pollster, and that you...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT