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# Normal Distribution Watch

1. How would you convert from z-score to a percentage?

thanks a lot!
2. (Original post by need_math)
How would you convert from z-score to a percentage?

thanks a lot!
Option 1: Look up the probability in a table and multiply by 100% .

Option 2: On a Casio calculator select: mode, STAT, AC, shift 1, Distr, P(z) x 100, =

Option 3: http://www.wolframalpha.com/input/?i...P%28Z%3C0.4%29. Multiply the result by 100.

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Updated: April 17, 2014
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