If P(Z > z ) = 0.62, the P(Z < z) = 0.38. The z that corresponds to that = -0.305, so rounding up it would be -.31 (d).
Ariel G.
asked • 07/02/20Find the indicated z-score: P(Z>z)=.62 (a) .31 (b) .30 (c) -.30 (d) -.31
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