The Student's t distribution is always symmetric and bell-shaped, but its tails lie above the normal.
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Q31: To estimate π, you typically need a
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Q33: A 95 percent confidence interval constructed around
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Q37: Assuming that π = .50 is a
Q38: Ceteris paribus, the narrowest confidence interval for
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Q40: The confidence interval half-width when π =
Q41: In constructing a confidence interval, the finite
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