kahill1977 kahill1977

23-10-2020
Mathematics

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A random sample of 10 size AA batteries for toys yield a mean of 3.27 hours with standard deviation, 0.68 hours.

(a) Find the critical value, t, for a 99% CI. t =
(b) Find the margin of error for a 99% CI.

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Cakie2213 Cakie2213

23-10-2020

Answer:

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