A study examines the mean height of 16-year-old male teenagers. Based on a sample of size 144, the 99% confidence interval (in inches) for the mean height of the population is 65.7 < µ < 67.3. If you want to construct the 95% confidence interval instead, what is the lower bound value of 95% confidence interval? Round to one decimal place (e.g. 62.1).

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A study examines the mean height of 16-year-old male teenagers. Based on a sample of size 144,
the 99% confidence interval (in inches) for the mean height of the population is 65.7 < µ < 67.3. If
you want to construct the 95% confidence interval instead, what is the lower bound value of 95%
confidence interval?
Round to one decimal place (e.g. 62.1).
Transcribed Image Text:A study examines the mean height of 16-year-old male teenagers. Based on a sample of size 144, the 99% confidence interval (in inches) for the mean height of the population is 65.7 < µ < 67.3. If you want to construct the 95% confidence interval instead, what is the lower bound value of 95% confidence interval? Round to one decimal place (e.g. 62.1).
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