A production manager at a wall clock company wants to test their new wall clocks...
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A production manager at a wall clock company wants to test their new wall clocks The designer claims they have a mean life of 18 years with a standard deviation of 4 years If the claim is true in a sample of 49 wall clocks what is the probability that the mean clock life would be greater than 18 8 years Round your answer to four decimal places Answer Tables Keypad
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