use the standard inverse norm to find the z-score z_0 = invnorm(.25) =-.6745 and z_1 = invnorm(.3) = -.5244
Esther E.
asked 02/23/20For a normal distribution, a. What z-score separates the highest 25% from the rest of the scores? b. what z-score separates the lowest 30% from the rest of the scores?
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