Question

In a recent poll of 500 13-year-olds, many indicated to enjoy their relationships with their parents....

In a recent poll of 500 13-year-olds, many indicated to enjoy their relationships with their parents. Suppose that 200 of the 13-year olds were boys and 300 of them were girls. We wish to estimate the difference in proportions of 13-year old boys and girls who say that their parents are very involved in their lives. In the sample, 93 boys and 172 girls said that their parents are very involved in their lives. What is a 96% confidence interval for the difference in proportions (proportion of boys minus proportion of girls)?

Group of answer choices

a.(−0.1973, −0.0194)

b.(−0.1978, −0.0289)

c.(−0.2015, −0.0151)

Math   Statistics-And-Probability   
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Answer #1

The statistical software output for this problem is :

A 96% CI is :

(-0.2015 , -0.051)

Option c) is correct

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