A random sample of21observations taken from a population that is normally distributed produced a sample mean of58.5and a standard deviation of7.5.

Find the range for thep-value and the critical and observed values oftfor the following test of hypothesis, using a=0.01

h0: =55 versus H1: 55

Round your answers for the values oftto three decimal places.

p value:

critical left:

critical right:

observed: