# How do we calculate the mean of a discreet probability distribution?

How do we calculate the mean of a discreet probability distribution?.

LEASE ANSWER QUESTIONS ON THIS FORM. At Least 100 Words

What is the difference between Experiment, Outcome, and Sample Space?
What is Calculating Probability?
◾What is the difference between marginal and conditional probabilities?
◾How do you calculate marginal and conditional probabilities?

◾How do we calculate the mean of a discreet probability distribution?
◾How do we calculate the standard deviation of a discreet probability distribution?
◾Discrete probability distributions are by definition a nominal level of data while.
◾Since the mean and standard deviation both assume normally distributed interval or ratio data, why can we use them for a discreet probability distribution?
◾What assumptions do we need to meet if we are to use the mean and standard deviation for a discreet probability distribution?

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