Out of a sample of 400 adults aged 18 to 30, 136 still lived with their parents. Based on this, construct a 99% confidence interval for the true population proportion of adults ages 18 to 30 that still live with their parents. Give your answers rounded to 4 decimal places.

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A: From given data we have : n=300 P=0.20 x=57 Sample proportion  p^=xn=57300=0.19

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A: see below the answer and explanation

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Q: yes, I got it right! Thank you for such clarity on this!

A: Your welcome.

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A: From the given information, the frequencies are 6, 14, 9 and 7. The proportions are 0.30, 0.25, 0.25…