Newly purchased tires of a particular type are supposed to be filled to a pressure of 30 psi. Let u 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. a. 2.10 b. -1.75 c. -.55 d. 1.41 e. -5.3