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THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

Question 42

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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 98% confidence interval for the difference in the means of the two populations. A) 1002 ± 12.58 B) 38 ± 12.58 C) 38 ± 19.86 D) 1002 ± 19.86
= 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 98% confidence interval for the difference in the means of the two populations. A) 1002 ± 12.58 B) 38 ± 12.58 C) 38 ± 19.86 D) 1002 ± 19.86
= 482,and σy = 24
-Find the 98% confidence interval for the difference in the means of the two populations.


A) 1002 ± 12.58
B) 38 ± 12.58
C) 38 ± 19.86
D) 1002 ± 19.86

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