8. In a random sample of 500 adults and 400 teenagers who watched a certain ASTRO program, 200 adults and 250 teenagers indicated that they enjoyed the program. a) Determine the point estimates of the true proportions i. of all adults who watched the ASTRO program and enjoyed it. ii. of all teenagers who watched the ASTRO program and did not enjoy it. b) Next, construct a 95% confidence interval for the difference in proportions of all adults and all teenagers who watched the ASTRO program but did not enjoy it. c) Interpret your answer in part (b]

MATLAB: An Introduction with Applications
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8. In a random sample of 500 adults and 400 teenagers who watched a certain ASTRO program,
200 adults and 250 teenagers indicated that they enjoyed the program.
a) Determine the point estimates of the true proportions
i. of all adults who watched the ASTRO program and enjoyed it.
ii. of all teenagers who watched the ASTRO program and did not enjoy it.
b) Next, construct a 95% confidence interval for the difference in proportions of all adults
and all teenagers who watched the ASTRO program but did not enjoy it.
c) Interpret your answer in part (b]
Transcribed Image Text:8. In a random sample of 500 adults and 400 teenagers who watched a certain ASTRO program, 200 adults and 250 teenagers indicated that they enjoyed the program. a) Determine the point estimates of the true proportions i. of all adults who watched the ASTRO program and enjoyed it. ii. of all teenagers who watched the ASTRO program and did not enjoy it. b) Next, construct a 95% confidence interval for the difference in proportions of all adults and all teenagers who watched the ASTRO program but did not enjoy it. c) Interpret your answer in part (b]
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