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
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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100%
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
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