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A random sample of n measurements was selected from a population with unknown mean u and known standard deviation. Calculate a 90% confidence interval for u for each of the situations given in parts a through e. ... a.n= 70, x= 26, o? = 13 ( 25.29 , 26.71 ) (Round to two decimal places as needed.) b. n= 150, x= 118, o² = 24 ( 117.34 , 118.66 ) (Round to two decimal places as needed.) c.n= 90, x = 18, o = 0.2 ( 17.97 , 18.03 ) (Round to two decimal places as needed.) d. n= 90, x = 4.34, o = 0.76 (Round to two decimal places as needed.)

A random sample of n measurements was selected from a population with unknown mean u and known standard deviation. Calculate a 90% confidence interval for u for each of the situations given in parts a through e. ... a.n= 70, x= 26, o? = 13 ( 25.29 , 26.71 ) (Round to two decimal places as needed.) b. n= 150, x= 118, o² = 24 ( 117.34 , 118.66 ) (Round to two decimal places as needed.) c.n= 90, x = 18, o = 0.2 ( 17.97 , 18.03 ) (Round to two decimal places as needed.) d. n= 90, x = 4.34, o = 0.76 (Round to two decimal places as needed.)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 26PFA
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A random sample of n measurements was selected from a population with unknown mean u and known standard deviation. Calculate a 90% confidence interval for u for each of the situations given in parts a through e. ..... a. n= 70, x= 26, o = 13 ( 25.29 , 26.71 ) (Round to two decimal places as needed.) b. n= 150, x = 118, o2 = 24 ( 117.34 , 118.66 ) (Round to two decimal places as needed.) c.n= 90, x= 18, o = 0.2 ( 17.97 , 18.03 ) (Round to two decimal places as needed.) d. n= 90, x= 4.34, o = 0.76 (Round to two decimal places as needed.)
Transcribed Image Text:A random sample of n measurements was selected from a population with unknown mean u and known standard deviation. Calculate a 90% confidence interval for u for each of the situations given in parts a through e. ..... a. n= 70, x= 26, o = 13 ( 25.29 , 26.71 ) (Round to two decimal places as needed.) b. n= 150, x = 118, o2 = 24 ( 117.34 , 118.66 ) (Round to two decimal places as needed.) c.n= 90, x= 18, o = 0.2 ( 17.97 , 18.03 ) (Round to two decimal places as needed.) d. n= 90, x= 4.34, o = 0.76 (Round to two decimal places as needed.)
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