Smart phone: Among 245 cell phone owners aged 18-24 surveyed, 106 sald their phone was an Androld 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.

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
Section7.2: Proportions
Problem 47WE
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Smart phone: Among 245 cell phone owners aged 18-24 surveyed, 106 said their phone was an Android phone Perform the following. Answer the following question.
Smart phone: Among 245 cell phone owners aged 18-24 surveyed, 106 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 0.433
Part: 1/3
Part 2 of 3
(b) Construct a 98% 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 98% confidence interval for the proportion of cell phone owners aged 18-24 who have an Android phone is
<p<
Transcribed Image Text:Smart phone: Among 245 cell phone owners aged 18-24 surveyed, 106 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 0.433 Part: 1/3 Part 2 of 3 (b) Construct a 98% 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 98% confidence interval for the proportion of cell phone owners aged 18-24 who have an Android phone is <p<
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