00000Chalkduster07+lab+11015lılı@27%Part 2. Estimating Population Parameters3. In a Harris poll of 2036 adults, 40% said that they prefer to get their news online. Construct a 95%confidence interval estimate of the percentage of adults who say that they prefer to get their newsonline. Can we safely say that fewer than 50% of adults prefer to get their news online?4. The LA times printed the headline "Most California Voters Support Legalizing Recreational Marijuana."That headline was based on a survey of 1879 Californians, with 1090 of them supporting Proposition 64(which passed during the November 2016 election and opened up the state for legal cannabis salesstarting in 2018). Use the survey results to construct a 95% confidence interval estimate for thepercentage of Californians who support legalization of recreational marijuana. Is the claim in the headlinesupported by the poll findings?X

3) Sample size n=2036 Sample proportion p^=0.40 NOTE: Hi there! Thanks for posting the…

Answered: 3. In a Harris poll of 2036 adults, 40%…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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in a survey of 692 lesbian, gay, bisexual, or transgender U.S adults 378 said that they consider themselves bisexual. Construct a 90% confidence interval for the population proportion of lesbian, gay, bisexual, or transgender U.S adults who consider themselves bisexual.
Number 12
2. According to the website Rotten Tomatoes, 94% of people who watched the Netflix show Stranger Things liked it. Since UR students tend to be scientifically minded, we hypothesize that less than 94% of UR students like the show. Out of 219 surveyed UR students, 198 indicated they like Stranger Things. Use the built in prop.test() function to: a. Construct a 90% confidence interval for the proportion of UR students who like Stranger Things. b. Test at the a=0.10 significance level whether the proportion of students who like Stranger Things is LESS THAN 0.94. What conclusion do you reach?
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9. According to a poll, eighty seven percent (87%) of California adults (440 out of 506 surveyed) feel that education is one of the top issues facing California. We wish to construct a ninety percent (90%) confidence interval for the true proportion of California adults who feel that education is one of the top issues facing California.What is a point estimate for the true population proportion?
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3. In a Harris poll of 2036 adults, 40% said that they prefer to get their news online. Construct a 95% confidence interval estimate of the percentage of adults who say that they prefer to get their news online. Can we safely say that fewer than 50% of adults prefer to get their news online?