InstO Question 11We wish to estimate what percent of adult residents in a certain county are parents. Out of 400adult residents sampled, 328 had kids. Based on this, construct a 90% confidence interval for theproportion 7 of adult residents who are parents in this county.HPAsGive your answers as decimals, to three places.ch

Confidence interval is the range of values for an unknown parameter rather than a single parameter.…

Answered: We wish to estimate what percent of…

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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If n=550 and X = 440, construct a 90% confidence interval. Give your answers to three decimals
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The first pic is the question. Since the tutors are answering incorrectly more often, the second pic is an “example question”
Out of 300 people sampled, 282 had kids. Based on this, construct a 95% confidence interval for the true population proportion of people with kids.Give your answers as decimals, to three places
Out of 400 people sampled, 336 had kids. Based on this, construct a 95% confidence interval for the true population proportion of people with kids.Give your answers as decimals, to three places
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A poll of 1070 U.S. adults found that 563 U.S. adults, or 52.617% regularly used Facebook as a news source. Find the margin of error and confidence interval for the percentage of U.S. adults who regularly use Facebook as a news source, at the 90% level of confidence. Express all answers as percentages rounded to 2 decimal places. Do not write the percent sign. Margin of Error (as a percentage): Confidence Interval: Margin of Error (as a percentage): Confidence Interval: Now find the margin of error and confidence interval for the percentage of U.S. adults who regularly use Facebook as a news source, at the 95% level of confidence. Margin of Error (as a percentage): Confidence Interval: % to O increases O stays roughly the same O decreases % to Finally, find the margin of error and confidence interval for the percentage of U.S. adults who regularly use Facebook as a news source, at the 99% level of confidence. and the precision of our estimate O decreases O increases O stays roughly the…
The owner of the Gas station wishes to determine the proportion of customers who use credit card. he surveys 100 customers and finds that 70 paid at the pump. Estimate the 99% .confidence interval for the population proportion
Out of 200 people sampled, 116 had kids. Based on this, construct a 95% confidence interval for the true population proportion of people with kids.Give your answers as decimals, to four places
Out of 600 people sampled , 102 had kids. Based on this , construct a 90% confidence interval for true population proportion of people with kids . give your answers as decimals to three places
We wish to estimate what percent of adult residents in a certain county are parents. Out of 200 adult residents sampled, 34 had kids. Based on this, construct a 90% confidence interval for the proportion, p, of adult residents who are parents in this county. Give your answers as decimals, to three places.

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