Confidence Intervals 1. (4) Anatomy of a Confidence Interval: Choose From: B Critical Value E Point-Estimate C Standard Error F Upper Bound A Lower Bound D Margin of Error Fill in the blanks with the letters representing the appropriate pieces of a Confidence Interval: 2. [10) In a survey of 800 parents, 632 said that music education has a positive effect on academic performance. (a) Obtain a point estimate for the proportion of parents who believe music education has a positive effect on academic performance:
Confidence Intervals 1. (4) Anatomy of a Confidence Interval: Choose From: B Critical Value E Point-Estimate C Standard Error F Upper Bound A Lower Bound D Margin of Error Fill in the blanks with the letters representing the appropriate pieces of a Confidence Interval: 2. [10) In a survey of 800 parents, 632 said that music education has a positive effect on academic performance. (a) Obtain a point estimate for the proportion of parents who believe music education has a positive effect on academic performance:
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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![Confidence Intervals
1. [4] Anatomy of a Confidence Interval:
Choose From:
B Critical Value
E Point-Estimate
C Standard Error
F Upper Bound
A Lower Bound
D Margin of Error
Fill in the blanks with the letters representing the appropriate pieces of a Confidence Interval:
2. [10) In a survey of 800 parents, 632 said that music education has a positive effect on
academic performance.
(a) Obtain a point estimate for the proportion of parents who believe music education has
a positive effect on academic performance:
(b) Construct a 99% confidence interval for the proportion of parents across the US who
feel the same way:
1) Identify the following values before substituting them into the formula:
za,=
n =
2) Set up the Confidence Interval formula with the correct point-estimate, critical
value, and standard error:
3) Write the interval in the form point-estimate margin of error, to 3 decimal
places, as needed:
4) Write the interval in interval notation, rounding the lower and upper bounds to 3
places, as needed:
5) Now check your interval by performing the "test" on your caleulator and write
your results below:
6) Interpret your interval: "I am 99% confident that...](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F561e6b49-da59-49a1-8d1e-f37531108f67%2F5eb951b7-8a7a-435f-97dc-563d037afd28%2Fegeoltl_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Confidence Intervals
1. [4] Anatomy of a Confidence Interval:
Choose From:
B Critical Value
E Point-Estimate
C Standard Error
F Upper Bound
A Lower Bound
D Margin of Error
Fill in the blanks with the letters representing the appropriate pieces of a Confidence Interval:
2. [10) In a survey of 800 parents, 632 said that music education has a positive effect on
academic performance.
(a) Obtain a point estimate for the proportion of parents who believe music education has
a positive effect on academic performance:
(b) Construct a 99% confidence interval for the proportion of parents across the US who
feel the same way:
1) Identify the following values before substituting them into the formula:
za,=
n =
2) Set up the Confidence Interval formula with the correct point-estimate, critical
value, and standard error:
3) Write the interval in the form point-estimate margin of error, to 3 decimal
places, as needed:
4) Write the interval in interval notation, rounding the lower and upper bounds to 3
places, as needed:
5) Now check your interval by performing the "test" on your caleulator and write
your results below:
6) Interpret your interval: "I am 99% confident that...
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