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For each situation state the null and alternative hypotheses Type mu for the symbol e...

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For each situation state the null and alternative hypotheses Type mu for the symbol e g mu 1 for the mean is greater than 1 mu 1 for the mean is less than 1 mu not 1 for the mean is not equal to 1 Please do not include units such as mm or in your answer a The diameter of a spindle in a small motor is supposed to be 2 6 millimeters mm with a standard deviation of 0 18 mm If the spindle is either too small or too large the motor will not work properly The manufacturer measures the diameter in a sample of 8 spindles to determine whether the mean diameter has moved away from the required measurement Suppose the sample has an average diameter of 2 51 mm Ho mu 2 6 Ha mu 2 6

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