Current production process produces batteries

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A. A newly designed phone battery, when fully charged, is supposed to last 20 hours with a tolerance limit of plus or minus 1 hour under normal use. The current production process produces batteries that on average last 19.8 hours before requiring a recharge with a standard deviation of 0.30 hours.

B. Is this process capable? Explain your answer. Changes to production process were implemented and the batteries produced now last on average 20.05 hours before requiring recharge with a standard deviation of 0.25 hours. Is this modified process capable? Explain your answer.

C. If the process is still not capable what further action would you recommend to make the process capable.

Reference no: EM13756471

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