A CBS News/New York Times poll found the 30 out of 990 Americans said they think the most important problem facing the U.S. is health care. Estimate the true proportion with a 96% confidence of Americans who think that this is the most important problem. Margin of error: Interval Calculation E = 0.0112 0.0303 0.0112 < p < 0.0303 +0.0112 0.0191 < p < 0.0415 1.91% < p < 4.15% Write the confidence statement in the box below: Distribution Statistics Z Estimate of a Proportion Confidence Level 0.96 Successes 30 N 990 Result Sample Z Estimate of a Proportion

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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A
On
2↓
Paragraph
Margin of error:
Interval Calculation
0.0303 0.0112 < p < 0.0303 +0.0112
0.0191 < p < 0.0415
1.91% < p < 4.15%
3. A CBS News/New York Times poll found the 30 out of 990 Americans said they think the most
important problem facing the U.S. is health care. Estimate the true proportion with a 96% confidence of
Americans who think that this is the most important problem.
E = 0.0112
Write the confidence statement in the box below:
Accessibility: Investigate
Search
Styles
|>
S
Distribution Statistics
Z Estimate of a Proportion
Confidence Level 0.96
Result
Successes 30
N 990
Sample
Z Estimate of a Proportion
Successes
N
SE
Lower Limit
Upper Limit
Interval
Dictate Ser
30
990
0.0054
0.0191
0.0415
Voice
0.0303 +0.0112
Focus
W
BE
Ser
Transcribed Image Text:A On 2↓ Paragraph Margin of error: Interval Calculation 0.0303 0.0112 < p < 0.0303 +0.0112 0.0191 < p < 0.0415 1.91% < p < 4.15% 3. A CBS News/New York Times poll found the 30 out of 990 Americans said they think the most important problem facing the U.S. is health care. Estimate the true proportion with a 96% confidence of Americans who think that this is the most important problem. E = 0.0112 Write the confidence statement in the box below: Accessibility: Investigate Search Styles |> S Distribution Statistics Z Estimate of a Proportion Confidence Level 0.96 Result Successes 30 N 990 Sample Z Estimate of a Proportion Successes N SE Lower Limit Upper Limit Interval Dictate Ser 30 990 0.0054 0.0191 0.0415 Voice 0.0303 +0.0112 Focus W BE Ser
Expert Solution
Step 1: Information given is

sample size(n)=990

x=30

confidence level=96%

sample proportion(straight p with hat on top)=straight x over straight n equals 30 over 990 equals 0.0303030303

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