let X ~ N(1,4)

i need to compute P(X<2) using a table

any hints??

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- Aug 16th 2010, 04:57 PMwik_chick88probability normal distribution
let X ~ N(1,4)

i need to compute P(X<2) using a table

any hints?? - Aug 16th 2010, 05:57 PMpickslides
X ~ N(1,4) = N(1,2^2)

Hint: $\displaystyle P(X<2) = P\left(Z<\frac{2-1}{2}\right)= \dots$