stats

Would a proportion of 60% be likely, given the calculated confidence interval? Yes/No

Find Answer to: 80% confidence interval ________+/-___________

  1. 👍 0
  2. 👎 0
  3. 👁 143
  1. Inadequate data.

    80% confidence interval = mean ± 1.28 SD (approximate)

    1. 👍 0
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions

  1. Statistics

    A confidence interval was used to estimate the proportion of statistics students that are females. A random sample of 72 statistics students generated the following 90% confidence interval: (0.438, 0.642). Based on the interval

    asked by Student on August 11, 2008
  2. Economics (45)

    The 2003 Statistical Abstract of the United States reported the percentage of people 18 years of age and older who smoke. Suppose that a study designed to collect new data on smokers and nonsmokers uses a preliminary estimate of

    asked by Mia on May 9, 2014
  3. statistics

    A researcher wishes to estimate the proportion of college students who cheat on exams. A poll of 490 college students showed that 33% of them had, or intended to, cheat on examinations. Find the margin of error for the 95%

    asked by Lucky Lady on June 19, 2014
  4. Statistics

    One of the questions on a survey of 1,000 adults asked if today's children will be better off than their parents (Rasmussen Reports website, October 26, 2012). Representative data are shown in the DATAfile named ChildOutlook. A

    asked by Ben on December 4, 2019
  5. Elementary Statistics

    1) Construct a confidence interval of the population proportion at the given level of confidence. x=60,n=300, 99% confidence. The 99% confidence interval is (_,_) 2) A researcher wishes to estimate the proportion of adults who

    asked by Erin on June 6, 2012
  1. stat

    One of the questions on a survey of 1,000 adults asked if today's children will be better off than their parents (Rasmussen Reports website, October 26, 2012). Representative data are shown in the WEBfile named ChildOutlook. A

    asked by Anonymous on April 10, 2017
  2. Statistics

    Exercise 8.92 Tony's Pizza guarantees all pizza deliveries within 30 minutes of the placement of orders. An agency wants to estimate the proportion of all pizzas delivered within 30 minutes by Tony's. What is the most conservative

    asked by ---- on November 23, 2013
  3. Stastics

    Which of the following descriptions of confidence intervals is correct? (Select all that apply) a. If a 95% confidence interval contains 0, then the 99% confidence interval contains 0 b. If a 99% confidence interval contains 0,

    asked by Lindsay on April 25, 2016
  4. Math Statistics

    Students enrolled in an introductory statistics course at a university were asked to take a survey that indicated whether the student has a visual or verbal learning style. Of the 39 students who took the survey, 25 were judged to

    asked by James on July 25, 2013
  5. Statistics

    In a sample of 200 people, 154 said they watched educational television. Find the 90% confidence interval of the true proportion of people who watch educational television. If the television company wanted to publicize the

    asked by Ale on April 22, 2015
  6. Statistics

    Answer the question Yes or No. Sam computed a 90% confidence interval for from a specific random sample of size n. He claims that at the 90% confident level, his confidence interval does not contain . Is this claim correct? Answer

    asked by Desperate on July 7, 2012

You can view more similar questions or ask a new question.