Test the claim that battery will last for three hours

Reference no: EM13124882

A sample of 25 their average life from the time they are fully charges to the time they are fully discharged is 170 minutes the sample standard deviation is 30 minutes. Test the claim that battery will last for three hours.

Reference no: EM13124882

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Test the claim that battery will last for three hours : A sample of 25 their average life from the time they are fully charges to the time they are fully discharged is 170 minutes the sample standard deviation is 30 minutes. Test the claim that battery will last for three hours.

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