A sample of 65 electric motors had a mean efficiency of 0.595 with a standard deviation of 0.05. Let μ represent the mean efficiency of electric motors of this type. a) Find the P-value for testing H...

A sample of 65 electric motors had a mean efficiency of 0.595 with a standard deviation of 0.05. Let μ represent the mean efficiency of electric motors of this type. a) Find the P-value for testing H₀: μ ≥ 0.6 versus H₁: μ < 0.6.="" b)="" either="" the="" mean="" efficiency="" is="" less="" than="" 0.6,="" or="" the="" sample="" is="" in="" the="" most="" extreme="" _____%="" of="" its="">