Asked by Anonymous

given that x~n(300,15), find the 70th percentile.

14 years ago

Answered by PsyDAG

First, find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion and its related Z score. Insert values in equation below to find the score.

Z = (score-mean)/SD

14 years ago

Answered by gi

307.87

9 years ago

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