Asked by Jake
Find the area between x = 9.5 and x = 23 under a normal distribution curve with μ = 20 and σ = 4 .
Answers
Answered by
Reiny
use my favourite stats webpage
http://davidmlane.com/hyperstat/z_table.html
make sure you click "area from a value"
enter 20 as the mean
4 as the sd
click on "between" and enter 9.5 and 23
calculate to get 0.769
http://davidmlane.com/hyperstat/z_table.html
make sure you click "area from a value"
enter 20 as the mean
4 as the sd
click on "between" and enter 9.5 and 23
calculate to get 0.769
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