Asked by Raj
The random variable X is normally distributed with mean 45 and standard deviation a.Given that P(X>51)=0.288, find the value of a.
Answers
Answered by
Damon
http://davidmlane.com/hyperstat/z_table.html
Answered by
Ms Pi 3.14159265358979323
x=(z-u)/sigma
then use the z table.
But remember the z table reads "less than" so you need to do 1 - that value found on the z table : )
then use the z table.
But remember the z table reads "less than" so you need to do 1 - that value found on the z table : )
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