Multiple Choice
You want to build a 90% confidence interval estimate of a population mean.You take a sample of size 100, and find a sample mean of 1300.If the population standard deviation is 25, calculate the margin of error for your interval.
A) 5.232
B) 3.878
C) 4.125
D) 4.363
E) 4.991
Correct Answer:
Verified
Correct Answer:
Verified
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