Newly purchased automobile tires of a certain type are supposed to be filled to a pressure of 30 psi. Let ? denote the true average pressure. Find the P-value associated with each of the following given z statistic values for testing H0: ? = 30 versus Ha: ?  30 when ? is known. (Give the answers to four decimal places.) (a) z = 2.35 (b) z = -1.65 (c) z = 0.51 (d) z = 1.29 (e) z = -5.75

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