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Smart phone: Among 253 cell phone owners aged 18-24 surveyed, 110 said their phone was an Android phone. Perform the following. Part 1 of 3 (a) Find a point estimate for the proportion of cell phone owners aged 18-24 who have an Android phone. Round the answer to at least three decimal places. The point estimate for the proportion of cell phone owners aged 18 - 24 who have an Android phone is $0. Part 2 of 3 5 (b) Construct a 99.9% confidence interval for the proportion of cell phone owners aged 18-24 who have an Android phone. Round the answer to at least three decimal places. A 99.9% confidence interval for the proportion of cell phone owners aged 18-24 who have an Android phone is 0

Smart phone: Among 253 cell phone owners aged 18-24 surveyed, 110 said their phone was an Android phone. Perform the following. Part 1 of 3 (a) Find a point estimate for the proportion of cell phone owners aged 18-24 who have an Android phone. Round the answer to at least three decimal places. The point estimate for the proportion of cell phone owners aged 18 - 24 who have an Android phone is $0. Part 2 of 3 5 (b) Construct a 99.9% confidence interval for the proportion of cell phone owners aged 18-24 who have an Android phone. Round the answer to at least three decimal places. A 99.9% confidence interval for the proportion of cell phone owners aged 18-24 who have an Android phone is 0

Algebra: Structure And Method, Book 1
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter7: Applying Fractions
Section7.6: Percents Problems
Problem 4WE
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Part 3. Assume that an advertisement claimed 32% of cellphone owners aged 18-24 have an android phone. Does the confidence interval contradict this claim? 
the confidence interval (a) does (b) does not contradict the claim because 0.32 (a)is (b) is not contained in the conf

Smart phone: Among 253 cell phone owners aged 18-24 surveyed, 110 said their phone was an Android phone. Perform the following. Part 1 of 3 (a) Find a point estimate for the proportion of cell phone owners aged 18-24 who have an Android phone. Round the answer to at least three decimal places. The point estimate for the proportion of cell phone owners aged 18 - 24 who have an Android phone is TI Part 2 of 3 e here to search (b) Construct a 99.9% confidence interval for the proportion of cell phone owners aged 18-24 who have an Android phone. Round the answer to at least three decimal places. Continue X A 99.9% confidence interval for the proportion of cell phone owners aged 18-24 who have an Android phone is 0<P<0 < p < X 5 4 ALL Submit Assignment © 2022 Mcdraw Hilll LLC. All Rights Reserved. Terms of Use Privacy Center | Accessibly MW 68°F
Transcribed Image Text:Smart phone: Among 253 cell phone owners aged 18-24 surveyed, 110 said their phone was an Android phone. Perform the following. Part 1 of 3 (a) Find a point estimate for the proportion of cell phone owners aged 18-24 who have an Android phone. Round the answer to at least three decimal places. The point estimate for the proportion of cell phone owners aged 18 - 24 who have an Android phone is TI Part 2 of 3 e here to search (b) Construct a 99.9% confidence interval for the proportion of cell phone owners aged 18-24 who have an Android phone. Round the answer to at least three decimal places. Continue X A 99.9% confidence interval for the proportion of cell phone owners aged 18-24 who have an Android phone is 0<P<0 < p < X 5 4 ALL Submit Assignment © 2022 Mcdraw Hilll LLC. All Rights Reserved. Terms of Use Privacy Center | Accessibly MW 68°F
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