# explain pleaseDiscrete random variables (rv); definition, distributions, calculation of probabilities, calculation     of the mean(m) and standard deviation (s) for a discrete rv using the TI-83/84; graphical and     statistical interpretation of the standard deviation.

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Discrete random variables (rv); definition, distributions, calculation of probabilities, calculation

of the mean(m) and standard deviation (s) for a discrete rv using the TI-83/84; graphical and

statistical interpretation of the standard deviation.

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Discrete random variables :
Any variable which can take countable number of values is discrete random variable.
FOr example number of students in a s...

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