construct a 99.5% confidence interval for the mean price for all phones of this type being sold on the Internet in 2013
construct a 99.5% confidence interval for the mean price for all phones of this type being sold on the Internet in 2013
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 11PT
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Question
If appropriate, construct a 99.5% confidence interval for the mean price for all phones of this type being sold on the
Internet in 2013. Round your intermediate step to three decimal places. Round your answer to one decimal place.
![(c) If appropriate, construct a 99.5% confidence interval for the mean price for all phones of this type being sold on the
Internet in 2013. Round your intermediate step to three decimal places. Round your answer to one decimal place.
A 99.5% confidence interval for the mean price for all phones of this type being sold on the
Internet in 2013 is](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F722805c4-613f-4139-9b35-b62e53dfa007%2F38a4a6c4-41ba-4cb4-932d-c0c47a14637a%2Fcomgqi8o_processed.jpeg&w=3840&q=75)
Transcribed Image Text:(c) If appropriate, construct a 99.5% confidence interval for the mean price for all phones of this type being sold on the
Internet in 2013. Round your intermediate step to three decimal places. Round your answer to one decimal place.
A 99.5% confidence interval for the mean price for all phones of this type being sold on the
Internet in 2013 is
![How smart is your phone? A random sample of 10 Samsung Galaxy smartphones being sold over the Internet In 2013 had the
following prices, in dollars:
199
169
385
329
269
149
135
249
299
249
Send data to Excel
Assume the population standard deviation is o = 85.
Perform the following.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F722805c4-613f-4139-9b35-b62e53dfa007%2F38a4a6c4-41ba-4cb4-932d-c0c47a14637a%2Faoot1ui_processed.jpeg&w=3840&q=75)
Transcribed Image Text:How smart is your phone? A random sample of 10 Samsung Galaxy smartphones being sold over the Internet In 2013 had the
following prices, in dollars:
199
169
385
329
269
149
135
249
299
249
Send data to Excel
Assume the population standard deviation is o = 85.
Perform the following.
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