Essay
THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
A process producing bricks is known to produce bricks whose weights are normally distributed with a standard deviation of 0.11 lb.A random sample of 16 bricks from today's output had a mean weight of 4.08 lb.
-Without doing the calculations,explain whether a 95% confidence interval for the mean weight of all bricks produced this day would be wider than,narrower than,or the same width as that of a 99% confidence interval.
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