Calculate the p-value for the following conditions and determine whether or not to reject the null hypothesis. a) one-tail test, z x
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=1.40, and α=0.01 b) one-tail test, z x
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=−2.95, and α=0.02 c) two-tail test, z x
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=2.10, and α=0.01 d) two-tail test, z x
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=−1.76, and α=0.05