A random sample of n measurements was selected from a population with unknown mean u and standard

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A random sample of n measurements was selected from a population with unknown mean u and standard deviation o = 20 for each of the situations in parts a through d.

Calculate a 95% confidence interval for u for each of these situations.

a. n = 70, x = 23

b. n = 150, x = 116

c. n = 125, x = 16

d. n = 125, x = 4.37

Posted Date: May 18, 2024 07:09 PM

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A random sample of n measurements was selected from a population with unknown mean u and standard

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