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THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

Question 97

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THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
Independent random sampling from two normally distributed populations gives the following results:
nx = 55, THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION: Independent random sampling from two normally distributed populations gives the following results: n<sub>x</sub> = 55, = 520,σ<sub>x</sub> = 30,n<sub>y</sub> = 45, = 482,and σ<sub>y</sub> = 24 -Find the margin of error for a 98% confidence interval for the difference in the means of the two populations. A) 8.50 B) 19.86 C) 15.77 D) 12.58
= 520,σx = 30,ny = 45, THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION: Independent random sampling from two normally distributed populations gives the following results: n<sub>x</sub> = 55, = 520,σ<sub>x</sub> = 30,n<sub>y</sub> = 45, = 482,and σ<sub>y</sub> = 24 -Find the margin of error for a 98% confidence interval for the difference in the means of the two populations. A) 8.50 B) 19.86 C) 15.77 D) 12.58
= 482,and σy = 24
-Find the margin of error for a 98% confidence interval for the difference in the means of the two populations.


A) 8.50
B) 19.86
C) 15.77
D) 12.58

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