A random sample of size 12 from a normal population gives x = 62.5 and s...
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A random sample of size 12 from a normal population gives x = 62.5 and s² = 1597. (a) Find a 99% confidence interval for u. (b) Find a 95% confidence interval for o. A random sample of size 12 from a normal population gives x = 62.5 and s² = 1597. (a) Find a 99% confidence interval for u. (b) Find a 95% confidence interval for o.
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