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Question 4 of 5 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 Part 2 of 3 (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

Question 4 of 5 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 Part 2 of 3 (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

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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connect |MATH Module 2 HW 15 (Section 7.3 Confidence Intervals for a Population Proportion) Hosted by ALIKS Corp. Question 4 of 5 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 Part 2 of 3 (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 <p< Part 3 of 3 (c) Assume that an advertisement claimed that 32% of cell phone owners aged 18-24 have an Android phone. Does the confidence interval contradict this claim? The confidence interval . contradict the claim, because 0.32 contained in the confidence interval. (Blank 1) (Blank 2) Blank 1 Options Blank 2 Options • does does not is not
Transcribed Image Text:connect |MATH Module 2 HW 15 (Section 7.3 Confidence Intervals for a Population Proportion) Hosted by ALIKS Corp. Question 4 of 5 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 Part 2 of 3 (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 <p< Part 3 of 3 (c) Assume that an advertisement claimed that 32% of cell phone owners aged 18-24 have an Android phone. Does the confidence interval contradict this claim? The confidence interval . contradict the claim, because 0.32 contained in the confidence interval. (Blank 1) (Blank 2) Blank 1 Options Blank 2 Options • does does not is not
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