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12-12-2016
Mathematics

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The tensile strength of a certain type of wire is normally distributed with a mean of 84.5 and a standard deviation of 4.5. Find the standard error of the mean of a sample of 64 wires.

A. 14.2222223
B. 5.3254439
C. 0.5625001
D. 0.0703126

Respuesta :

Аноним Аноним

12-12-2016

I would most likely be B (5.3254439). Please tell me if I'm wrong. Hope it helps.

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