A hypothesis test is conducted to test if a population mean is not equal to 120. The population is normally distributed with a population standard deviation of 55. (a) What is the test statistic if...

A hypothesis test is conducted to test if a population mean is not equal to 120. The population is normally distributed with a population standard deviation of 55.

(a) What is the test statistic if the sample mean is 132 and the sample size is 30?(Round to two decimal places.)

(b) What is the p-value?(Round to three decimal places.)