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Probability using normal distribution

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Suppose that the scores of architects on a particular creativity test are normally distributed. What percentage of architects have Z scores (a) above .10, (b) below .10, (c) above .20, (d) below .20, (e) above 1.10, (f) below 1.10, (g) above -.10, (h) below -.10?

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Solution Summary

Calculates probabilities using z scores from a normal distribution.

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Suppose that the scores of architects on a particular creativity test are normally distributed. What percentage of architects have Z scores (a) above .10, (b) below .10, (c) above .20, (d) below .20, (e) above 1.10, (f) below 1.10, (g) above -.10, (h) below -.10?

(a) above 0.1

Cumulative probability corresponding to Z= 0.1 is 53.98%
Thus area to the left of z= 0.1 is 53.98%
Hence area to the right of z= 0.1 is 46.02% =100% - ...

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