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Smart phone: Among 242 cell phone owners aged 18-24 surveyed, 107 said their phone was...

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Smart phone: Among 242 cell phone owners aged 18-24 surveyed, 107 said their phone was an Android phone.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 decimalplaces.The point estimate for the proportion of cell phone owners aged 18-24 who have an Android phone is 0.442Part: 1/3Part 2 of 3(b) Construct a 95% confidence interval for the proportion of cell phone owners aged 18-24 who have an Android phone. Round the answers to at leastthree decimal places.A 95% confidence interval for the proportion of cell phone owners aged 18-24 who have an Android phone is0.370

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