Essay
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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.
-It is decided that tomorrow a sample of 20 bricks will be taken.Without doing the calculations,explain whether a correctly calculated 95% confidence interval for the mean weight of tomorrow's output would be wider than,narrower than,or the same width as that of a 99% confidence interval for the mean weight of all bricks produced this day.
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