Question: please solve 4.14 Business 210 Chapter 11 Part A (Formula 11-2) Bradford and Kane Cicero Population standard deviation known Two cities, Bradford and Kane are

please solve

4.14 Business 210 Chapter 11 Part A (Formula 11-2) Bradford and Kane Cicero Population standard deviation known Two cities, Bradford and Kane are separated by a .Bradford claims that their mean family income is greater than Kane's Test Bradford's belief " at the 5% significance level. Bradford Kane Sample Mean Income $ 19,500 $18,600 Population Standard Deviation $2,500 $2,200 Sample Size 40 45

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