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The battery life is known to be approximately normal distributed with standard deviationhours. A random sample of 10 batteries has a mean life ofhours. Is

The battery life is known to be approximately normal distributed with standard deviationhours. A random sample of 10 batteries has a mean life ofhours. Is there evidence to support the claim that battery life exceeds 40 hours? Assume. Test the hypothesis using the P-value approach.(10 points)

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