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A random sample of 11 size AA batteries for toys yield a mean of 3.75 hours with standard deviation, 1.24 hours. (a) Find the

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A random sample of 11 size AA batteries for toys yield a mean of 3.75 hours with standard deviation, 1.24 hours. (a) Find the critical value, t*, for a 99% Cl. t* = (b) Find the margin of error for a 99% Cl. Note: You can earn partial credit on this problem.

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