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Smart phone: Among 240 cell phone owners aged 18-24 surveyed, 108 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 àn 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 0.450 .
Part: $1 / 3$
Part 2 of 3 (b) Construct a $90 \%$ 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 $90 \%$ confidence interval for the proportion of cell phone owners aged 18-24 who have an Android phone is $\square$ $<p<$ $\square$ . Skip Part Check Save For Later Submit Assignr Q 2024 McGraw Hill LLC. All Rights Reserved. Terms of Use I Privacy Center I Acce