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1. Construct a 95% confidence interval to estimate the proportion of Wingate male students that are left handed. From previous class surveys 17 out of 126 male students were left-handed. Interpret your confidence interval. By interpretation, I mean something like what is contained in the class notes, which is "we are X% certain that the true proportion of ...". 2. Construct a 95% confidence interval to estimate the proportion of Wingate female students that are left-handed. From class surveys 15 out of 181 female students were left-handed. Interpret your confidence interval. 3. Does it appear that males and females have the same proportion of left-handed people? This will help you decide - if your confidence intervals from problems 1 and 2 do not overlap, you could conclude that the proportion of left-handed males does not equal the proportion of left-handed females. If they overlap, you could not rule out the possibility that the two proportions are equal.

1. Construct a 95% confidence interval to estimate the proportion of Wingate male students that are left handed. From previous class surveys 17 out of 126 male students were left-handed. Interpret your confidence interval. By interpretation, I mean something like what is contained in the class notes, which is "we are X% certain that the true proportion of ...". 2. Construct a 95% confidence interval to estimate the proportion of Wingate female students that are left-handed. From class surveys 15 out of 181 female students were left-handed. Interpret your confidence interval. 3. Does it appear that males and females have the same proportion of left-handed people? This will help you decide - if your confidence intervals from problems 1 and 2 do not overlap, you could conclude that the proportion of left-handed males does not equal the proportion of left-handed females. If they overlap, you could not rule out the possibility that the two proportions are equal.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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1. Construct a 95% confidence interval to estimate the proportion of Wingate male students that are left- handed. From previous class surveys 17 out of 126 male students were left-handed. Interpret your confidence interval. By interpretation, I mean something like what is contained in the class notes, which is "we are X% certain that the true proportion of ...". 2. Construct a 95% confidence interval to estimate the proportion of Wingate female students that are left-handed. From class surveys 15 out of 181 female students were left-handed. Interpret your confidence interval. 3. Does it appear that males and females have the same proportion of left-handed people? This will help you decide - if your confidence intervals from problems 1 and 2 do not overlap, you could conclude that the proportion of left-handed males does not equal the proportion of left-handed females. If they overlap, you could not rule out the possibility that the two proportions are equal.
Transcribed Image Text:1. Construct a 95% confidence interval to estimate the proportion of Wingate male students that are left- handed. From previous class surveys 17 out of 126 male students were left-handed. Interpret your confidence interval. By interpretation, I mean something like what is contained in the class notes, which is "we are X% certain that the true proportion of ...". 2. Construct a 95% confidence interval to estimate the proportion of Wingate female students that are left-handed. From class surveys 15 out of 181 female students were left-handed. Interpret your confidence interval. 3. Does it appear that males and females have the same proportion of left-handed people? This will help you decide - if your confidence intervals from problems 1 and 2 do not overlap, you could conclude that the proportion of left-handed males does not equal the proportion of left-handed females. If they overlap, you could not rule out the possibility that the two proportions are equal.
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