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a) 2.86 and 2.19 b) 4.09 and 1.96 and 2.05 d) 6.28 and 2.58 c) \.16 •28 6.A researcher wants to estimate the mean age of all Business Week readers ata 99% con fidmce level. 1t is knonn that the standord deviaton of ages of all Business Week reacders is 9 years. The sample Size that mill yield a maximum en or of estimate mithin of the papulation years mean is: a) 60 b) 97 c) 185 d)235 7. A vendom sample of Joo cushomera, who visited a deportment store, spnt an average of #77 at this store . Assume that 6=#19. The 97% confidence interval for the population mean is: a) 74.56 to 79.44 b) 70.18 to 83.82 as d) 72.88 to 81-12 c) 73.89 to 80-1)

a) 2.86 and 2.19 b) 4.09 and 1.96 and 2.05 d) 6.28 and 2.58 c) \.16 •28 6.A researcher wants to estimate the mean age of all Business Week readers ata 99% con fidmce level. 1t is knonn that the standord deviaton of ages of all Business Week reacders is 9 years. The sample Size that mill yield a maximum en or of estimate mithin of the papulation years mean is: a) 60 b) 97 c) 185 d)235 7. A vendom sample of Joo cushomera, who visited a deportment store, spnt an average of #77 at this store . Assume that 6=#19. The 97% confidence interval for the population mean is: a) 74.56 to 79.44 b) 70.18 to 83.82 as d) 72.88 to 81-12 c) 73.89 to 80-1)

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 1GP
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Page 3 of 8 Qv Search a) 2.86 and b) 4.09 and 1.96 2.17 c) \.16 and 2.05 is.28 and 2.58 6.A researcher mants to estimate the mean age of all Business Weck readers ata 99% con Bidence Level. It is knonn that the standard deviaton of ages of all Business Week readers is 9 years. The sample Size that mill yield a maximum en or of estimate mithin 3 yeors of the population n mean is: omm a) 60 b) 97 c)185 d) 235 ar 7. A random sample of Joo cushomera , who vioited a deportment sore, spnton average of #7T at this store. Assume that 6=#19. The 97% confidence interml for the population mean is: a) 74.56 to 79.44 as b) 7o.18 to 83.82 av to d) 72.88 to 1-12 to c) 73.89 80-11 ure W Jubnit Assignm W Help étv DEC 080
Transcribed Image Text:Page 3 of 8 Qv Search a) 2.86 and b) 4.09 and 1.96 2.17 c) \.16 and 2.05 is.28 and 2.58 6.A researcher mants to estimate the mean age of all Business Weck readers ata 99% con Bidence Level. It is knonn that the standard deviaton of ages of all Business Week readers is 9 years. The sample Size that mill yield a maximum en or of estimate mithin 3 yeors of the population n mean is: omm a) 60 b) 97 c)185 d) 235 ar 7. A random sample of Joo cushomera , who vioited a deportment sore, spnton average of #7T at this store. Assume that 6=#19. The 97% confidence interml for the population mean is: a) 74.56 to 79.44 as b) 7o.18 to 83.82 av to d) 72.88 to 1-12 to c) 73.89 80-11 ure W Jubnit Assignm W Help étv DEC 080
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