Whatisnormal, when it comes to people's body temperatures? A random sample of 130 human body temperatures had a mean of98.15and a standard deviation of0.77. Does the data indicate that the average body temperature for healthy humans deviates from 98.6, the usual average temperature cited by physicians and others?

(a) Find the test statistic and thep-value. (Round your test statistic to two decimal places and yourp-value to four decimal places.)

z= ______

p-value= _____

(b) Test using the critical value approach with?= 0.05.

Find the rejection region. (Round your answers to two decimal places. If the test is one-tailed, enter NONE for the unused region.)

z> ________

z< ________