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Q1: A sample of size49has sample mean35and sample standard deviation14. Construct a98%confidence interval for the population mean using this information? Interpret its meaning? (Z =

Q1:A sample of size49has sample mean35and sample standard deviation14. Construct a98%confidence interval for the population mean using this information? Interpret its meaning?

(Z = 2.320)

Q2:To estimate the proportion of students at a large college who are female, a random sample of120students is selected. There are69female students in the sample. Construct 95%confidence interval for the proportion of all students at the college who are female. (Z = 1.96)

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