nPDf (Function)
Command last updated 4/7/2022.
Download
nPDf(x, σ, μ)
- x is a number or variable name
- σ is the standard deviation
- μ is the mean
Equivalent to the builtin normPDf(x, σ, μ), but more convenient to obtain the specific probability density function and to graph the function.
Returns the value of the normal distribution function with a standard deviation of σ and a mean of μ at the value x.
Example
Let \(M \sim \mathrm{N}(68, 8^2)\). Find \(\mathrm{Pr}(60<M<90)\). (2018 Methods Exam 2 Section B Question 4a)
