A Gallup Poll in December 2019 reported that 46% of the 5120 adults aged 18 and older in the sample said both their mental and their physical health was good or excellent. Gallup announced, "For results based on the combined sample of 5120 adults, aged 18 and older ... the margin of sampling error is 2 percentage points at the 95% confidence level." Confidence intervals for a percentage follow the form estimate±margin of error Based on the information from Gallup, what is the 95% confidence interval for the percentage of all adults aged 18 and older who would say both their mental and physical health was good or excellent? Give your answer as an interval in the form (lower bound, upper bound). Give your numbers as percentages and as whole numbers. confidence interval: $$ What does it mean to have 95% confidence in this interval? A confidence of 95% in the interval means that 95% of all samples of the same size give an interval that contains the actual percent of adults, aged 18 and older, who would say both their mental and physical health was good or excellent. A confidence of 95% in the interval means that 100% of all samples of the same size give an interval that contains 95% of adults, aged 18 and older, who would say both their mental and physical health was good or excellent. A confidence of 95% in the interval means that 95% of all adults, aged 18 and older, who would say both their mental and physical health was good or excellent in the population fall within this confidence interval. A confidence of 95% in the interval refers to the actual percentage of adults, aged 18 and older, who would say both their mental and physical health was good or excellent in the population who are represented by this survey.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A Gallup Poll in December 2019 reported that 46% of the 5120 adults aged 18 and older in the sample said both their mental and their physical health was good or excellent. Gallup announced, "For results based on the combined sample of 5120 adults, aged 18 and older ... the margin of sampling error is 2 percentage points at the 95% confidence level." Confidence intervals for a percentage follow the form estimate±margin of error Based on the information from Gallup, what is the 95% confidence interval for the percentage of all adults aged 18 and older who would say both their mental and physical health was good or excellent? Give your answer as an interval in the form (lower bound, upper bound). Give your numbers as percentages and as whole numbers. confidence interval: $$ What does it mean to have 95% confidence in this interval? A confidence of 95% in the interval means that 95% of all samples of the same size give an interval that contains the actual percent of adults, aged 18 and older, who would say both their mental and physical health was good or excellent. A confidence of 95% in the interval means that 100% of all samples of the same size give an interval that contains 95% of adults, aged 18 and older, who would say both their mental and physical health was good or excellent. A confidence of 95% in the interval means that 95% of all adults, aged 18 and older, who would say both their mental and physical health was good or excellent in the population fall within this confidence interval. A confidence of 95% in the interval refers to the actual percentage of adults, aged 18 and older, who would say both their mental and physical health was good or excellent in the population who are represented by this survey.

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