Jeremiah wants to estimate the mean age of students at his large university. He'll sample n students and make a 95% confidence in the mean age. He is willing to use o 3 years as an estimate of t standard deviation, and he wants the margin of error to be no mo year. Which of these is the smallest approximate sample size required the desired margin of error? Choose answer

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Jeremiah wants to estimate the mean age of students at his large
university. He'll sample n students and make a 95% confidence interval for
the mean age. He is willing to use o 3 years as an estimate of the
standard deviation, and he wants the margin of error to be no more than 1
year.
Which of these is the smallest approximate sample size required to obtain
the desired margin of error?
Choose 1 answer:
Transcribed Image Text:Jeremiah wants to estimate the mean age of students at his large university. He'll sample n students and make a 95% confidence interval for the mean age. He is willing to use o 3 years as an estimate of the standard deviation, and he wants the margin of error to be no more than 1 year. Which of these is the smallest approximate sample size required to obtain the desired margin of error? Choose 1 answer:
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