# Math Help - Probability Density of Normal Distribution

1. ## Probability Density of Normal Distribution

Suppose X has normal (μ,σ^2) distribution, and P(X≤0)=1/3, P(X≤1)=2/3.
a) What are the values of μ and σ?
b) What if instead P(X≤1)=3/4?

2. Originally Posted by kburk46
Suppose X has normal (μ,σ^2) distribution, and P(X≤0)=1/3, P(X≤1)=2/3.
a) What are the values of μ and σ?
b) What if instead P(X≤1)=3/4?