Essay
THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
In a random sample of 125 large retailers,90 used regression as a method of forecasting.In an independent random sample of 160 small retailers,80 used regression as a method of forecasting.
-Find a 95% confidence interval for the difference between the two population proportions.
Correct Answer:
Verified
nx = 125, 
x = 90 /125 = 0.72,ny = 160,
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Correct Answer:
Verified
x = 90 /125 = 0.72,ny = 160,
...
View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
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