In a random sample of 325 students at a university, 263 stated that they were nonsmokers. Based on this sample, compute a 90% confidence interval for the proportion of all students at the university who are nonsmokers. Then find the lower limit and upper limit of the 90% confidence interval. Carry your intermediate computations to at least three decimal places. Round your answers to two decimal places. (If necessary, consult a list of formulas.) Lower limit: ? Upper limit:

MATLAB: An Introduction with Applications
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In a random sample of 325 students at a university, 263 stated that they were nonsmokers. Based on this
sample, compute a 90% confidence interval for the proportion of all students at the university who are
nonsmokers. Then find the lower limit and upper limit of the 90% confidence interval.
Carry your intermediate computations to at least three decimal places. Round your answers to two decimal
places. (If necessary, consult a list of formulas.)
Lower limit:
X
?
Upper limit:
Transcribed Image Text:In a random sample of 325 students at a university, 263 stated that they were nonsmokers. Based on this sample, compute a 90% confidence interval for the proportion of all students at the university who are nonsmokers. Then find the lower limit and upper limit of the 90% confidence interval. Carry your intermediate computations to at least three decimal places. Round your answers to two decimal places. (If necessary, consult a list of formulas.) Lower limit: X ? Upper limit:
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