The p-value for a one-sided left-tail test is given by
A) Pr(Z - tact ) = ?(tact).
B) Pr(Z < tact ) = ?(tact).
C) Pr(Z < tact ) < 1.645.
D) cannot be calculated, since probabilities must always be positive.
Ans: B) Pr(Z < tact ) = ?(tact).
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