I have a normal distribution with mean 106, and a standard deviation of 8. I'm being asked to find the point that has the property that 25% of these values have this value or lower.
What I've concluded on my own (I'm just learning Mathematica) is that the value I'm looking for would be
y in the following:
NProbability[x <= y, x \[Distributed] NormalDistribution[106,8]] = 0.25
Since I'm not very well versed in the language, I'm hoping someone can lead me in the right direction here.