Newly purchased tires of a certain type are supposed to be filled to a pressure of 30 lb/in2. Let μ denote the true average pressure. Find the P-value associated with each given z statistic value for testing H0: μ = 30versus Ha: μ ≠ 30.
a. 2.10
b. –1.75
c. –.55
d.1.41
e. –5.3
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