You randomly draw a sample of n = 25 from a population where ? = 3. Which is the appropriate formula for the bounds of a 95% confidence interval?
a. x ?±1.960*0.60
b. x ?±1.645*0.60
c. x ?±1.960*0.12
d. x ?±1.645*0.12
a. x ?±1.960*0.60
Business
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