In a randome sample of 32 units of this years version of, Ask an Expert

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manufacturer of guitar amplifies markets one of its models, vagabond, at a power rating of 45 watts. GuitarGod magazine suspects that this rating is inaccurate for this years model of the amp. In a randome sample of 32 units of this year's version of the Vagabond the mean output power is 42 watts, with a standard deviation of 8 watts.

Assuming a confidence level of 95%, which of the these data support?

A) Vagabond's output is 42 watts
B) Vegabond's output is 45 watts
C) Vegabond's output power is not 45
D) None of the above

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9419311

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