PRACTICE ANOTHER Newly purchased tires of a particular type are supposed to be filled to a pressure of 30 psi. Let / denote the true average pressure. A test is to be carried out to decide whether u differs from the target value. Determine the P-value for each of the following z test statistic values. (Round your answers to four decimal places.) In USE SALT (a) 2.13 (b) -1.71 U -0.59 (d) 1.45 (e) -4.7