Tools and Toys

Suppose X has Standard Normal (Gaussian) distribution.
Suppose X has Student's t-distribution with degrees of freedom.
Probability that X does not exceed equals ??.
Probability that X does not exceed ?? equals .

Number of elements: .
Order statistic: .
Arithmetic mean (aka average): .
Non-inferential standard deviation (aka population sd): .
SRS estimate of the population sd (aka sample sd): .
Proportion of elements with value less than or equal to equals ??.
Proportion of elements with value strictly less than ?? equals ??.

Fair
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