Wax-com Electronics Inc. claims that a certain circuit board has a median operating life of greater than 20,000 hours. A random sample of 25 such circuit boards showed 8 circuit boards failing before 20,000 hours and 17 circuit boards failing after 20,000 hours. Assume the useful life of the circuit board is not normally distributed. Is there evidence to support their claim?
-At a = 0.05,can it be concluded that the sample supports their claim of the company? Assume the useful life of the circuit board is not normally distributed.

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The Answer of Wax-com Electronics Inc. claims that a certain circuit board has a median operating life of greater than 20,000 hours. A random sample of 25 such circuit boards showed 8 circuit boards failing before 20,000 hours and 17 circuit boards failing after 20,000 hours. Assume the useful life of the circuit board is not normally distributed. Is there evidence to support their claim?
-At a = 0.05,can it be concluded that the sample supports their claim of the company? Assume the useful life of the circuit board is not normally distributed.

Wax-Com Electronics Inc