1) Given lower and upper limits of the confidence interval for a population mean (84, 120) a) Compute the margin of error (E) b) Compute the point estimate, I c) Express the confidence interval in the form of +E ction 8.2 2) A college admissions officer takes a simple random sample of 250 entering freshmen and computes their mean mathenmatics SAT score to be 510 Assuma the penulation standard

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Section 8.1
1) Given lower and upper limits of the confidence interval for a population mean (84, 120)
a) Compute the margin of error (E)
b) Compute the point estimate, X
c) Express the confidence interval in the form of + E
Section 8.2
2) A college admissions officer takes a simple random sample of 250 entering freshmen and
computes their mean mathematics SAT score to be 510. Assume the population standard devi
is 100. Construct a 95% confidence interval for the mean mathematics SAT score for the ent
freshmen class. (show alI work. Round final answers to a whole number. If using a T183/
Transcribed Image Text:Mailings Review View AaBbCcDdEe AaBbCcDdEe AaBbCcDc AaBbCcD Normal No Spacing Heading 1 Heading Name: Section 8.1 1) Given lower and upper limits of the confidence interval for a population mean (84, 120) a) Compute the margin of error (E) b) Compute the point estimate, X c) Express the confidence interval in the form of + E Section 8.2 2) A college admissions officer takes a simple random sample of 250 entering freshmen and computes their mean mathematics SAT score to be 510. Assume the population standard devi is 100. Construct a 95% confidence interval for the mean mathematics SAT score for the ent freshmen class. (show alI work. Round final answers to a whole number. If using a T183/
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