b. Find the critical value t a/2 corresponding to a 95% confidence level
Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter9: Solving Quadratic Functions
Section: Chapter Questions
Problem 4CA
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Question
23
b. Find the critical value t a/2 corresponding to a 95% confidence level
![Refer to the accompanying data display that results from a sample of airport data speeds in Mbps.
Complete parts (a) through (c) below.
TInterval
Mbps<μ< Mbps
(Round to two decimal places as needed.)
(13.046,22.15)
x= 17.598
Sx 16.01712719
n = 50
a. Express the confidence interval in the format that uses the "less than" symbol. Given that the original listed data use one decimal place,
round the confidence interval limits accordingly.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd1a84e4f-15fd-454d-ae7f-e3c4cf2939e6%2Fdb0a9d8a-91fe-4dfa-b162-b57ebe6d987e%2Fe7zx7in_processed.png&w=3840&q=75)
Transcribed Image Text:Refer to the accompanying data display that results from a sample of airport data speeds in Mbps.
Complete parts (a) through (c) below.
TInterval
Mbps<μ< Mbps
(Round to two decimal places as needed.)
(13.046,22.15)
x= 17.598
Sx 16.01712719
n = 50
a. Express the confidence interval in the format that uses the "less than" symbol. Given that the original listed data use one decimal place,
round the confidence interval limits accordingly.
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Follow-up Question
M23-2
![Refer to the accompanying data display that results from a sample of airport data speeds in Mbps.
Complete parts (a) through (c) below.
TInterval
13.05 Mbps<μ< 22.15 Mbps
(Round to two decimal places as needed.)
b. Identify the best point estimate of μ and the margin of error.
The point estimate of μ is Mbps.
(Round to two decimal places as needed.)
(13.046,22.15)
x = 17.598
Sx= 16.01712719
n = 50
a. Express the confidence interval in the format that uses the "less than" symbol. Given that the original listed data use one decimal place,
round the confidence interval limits accordingly.](https://content.bartleby.com/qna-images/question/d1a84e4f-15fd-454d-ae7f-e3c4cf2939e6/29b41ee9-0bec-4bd4-9314-c552f23c16cc/bjnk09c_thumbnail.png)
Transcribed Image Text:Refer to the accompanying data display that results from a sample of airport data speeds in Mbps.
Complete parts (a) through (c) below.
TInterval
13.05 Mbps<μ< 22.15 Mbps
(Round to two decimal places as needed.)
b. Identify the best point estimate of μ and the margin of error.
The point estimate of μ is Mbps.
(Round to two decimal places as needed.)
(13.046,22.15)
x = 17.598
Sx= 16.01712719
n = 50
a. Express the confidence interval in the format that uses the "less than" symbol. Given that the original listed data use one decimal place,
round the confidence interval limits accordingly.
Solution
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