A study by the Kaiser Family Foundation provided one of the first looks at media use among
Question:
a. Construct and interpret a 95% large-sample confidence interval for the proportion of children ages 6 months to 3 years who have a TV in their bedroom.
b. Construct and interpret a 95% large-sample confidence interval for the proportion of children ages 3 to 6 years who have a TV in their bedroom.
c. Do the confidence intervals from Parts (a) and (b) overlap? What does this suggest about the two population proportions?
d. Construct and interpret a 95% large-sample confidence interval for the difference in the proportions for children ages 6 months to 3 years and for children ages 3 to 6 years.
e. Is the interval in Part (d) consistent with your answer in Part (c)? Explain.
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