Posted by chante on Tuesday, March 20, 2012 at 3:09pm.
The distribution of scores is normal with a ì = 100 and ó =15. What proportion of the population have scores A) Above 130? B) Below 90? C) Above 110?
statistics - MathMate, Tuesday, March 20, 2012 at 5:25pm
Given μ=100; σ=15.
Standardize the distribution by
Use a normal distribution table to find
can be found similar to (a)
Many normal distribution tables are available online, such as:
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