What is the difference between Experiment, Outcome, and Sample Space?

PLEASE 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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