Length of pregnancy in weeks follows a normal distribution. Use the random sample data below to construct the "margin of error" for a confidence interval with a 95% level of confidence for the length of pregnancy in weeks. x= 275 days s = 19 days n= 35 7.2 days None of these 6.5 days 6.9 days 6.1 days

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Length of pregnancy in weeks follows a normal distribution. Use the random sample data below
to construct the "margin of error" for a confidence interval with a 95% level of confidence for the
length of pregnancy in weeks.
x= 275 days
s = 19 days
n= 35
O 7.2 days
O None of these
O 6.5 days
6.9 days
6.1 days
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Transcribed Image Text:Length of pregnancy in weeks follows a normal distribution. Use the random sample data below to construct the "margin of error" for a confidence interval with a 95% level of confidence for the length of pregnancy in weeks. x= 275 days s = 19 days n= 35 O 7.2 days O None of these O 6.5 days 6.9 days 6.1 days « Previous
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