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A microprocessor designer has developed a new fabrication process which he / she believes will increase the usable life of a chip. Currently, the life

A microprocessor designer has developed a new fabrication process which he / she believes will increase the usable life of a chip. Currently, the life is 16,000 hours with a std dev of 2,000 hours. Test the H that the process increases the life of a chip at the .20 level. Sample is 1600 chips. Suppose the random sample of the 1,000 microprocessors has a mean life of 16,300 hours.

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