Distribution means something is being separated evenly. This involves distributing either a number or a variable out evenly in math. A pair of parentheses usually signals that something is to be distributed.
Distribution menu
Press SHIFT 3 to open the distribution menu
Example
Example Normal Distribution CDF
Syntax: normalcdf(lower bound, upper bound, mean, standard deviation)
Inputs:
lower bound = 65
upper bound = 80
mean = 70
standard deviation = 4.5
Press SHIFT 3 to open the distribution menu
Fill all normalcdf arguments: normalcdf(65,80,70,4.5)
Supported functions
There are some builtin distribution functions, pressing the ℹ️ icon will show more information about a function.
normalpdf: normal probability density function
normalcdf: normal cumulative distribution function
invNorm: Inverse cumulative normal distribution
invT: Inverse cumulative Student-t distribution
tpdf: Student-t probability density
tcdf: Student-t distribution probability
chi2pdf: Chi-square probability density
chi2cdf: Chi-square distribution probability
Fpdf: F probability density
Fcdf: F distribution probability
binompdf: Binomial probability
binomcdf: Binomial cumulative density
poissonpdf: Poisson probability
poissoncdf: Poisson cumulative density
geometpdf: Geometric probability
geometcdf: Geometric cumulative density
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