Examlex
Determine whether the matrix is in row-echelon form. If it is, determine if it is also in reduced row-echelon form.
Probability
Probability is the branch of mathematics that deals with the likelihood of a given event's occurrence, ranging between 0 (impossible event) and 1 (certain event).
Standard Deviation
A measure of the amount of variation or dispersion of a set of values, indicating the spread of data points.
Sampling Distribution
The distribution of probabilities for a certain statistic, originating from a random sample.
Normal Distribution
In this type of distribution, occurrences of data are more frequent near the mean and decrease in frequency as they move away from the mean, with the distribution being symmetric.
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