Find the following z values for the standard normal variable Z. (You may find it useful to reference the z table. Negative values should be indicated by a minus sign. Round your answers to 2 decimal places.) a. P(Z ≤ z) = 0.8914 b. P(Z > z) = 0.8001 c. P(-z≤Z≤ z) = 0.94 d. P(0 ≤Z≤ z) = 0.4067

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