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It is the weighted average of the values that random variable X can take, with weights provided by the probability distribution.
MEAN
random variables that take an interminably uncountable number of potential values, regularly measurable amounts.
Continuous Random Variables
the set of possible outcomes from an experiment can be counted
discrete random variable
TRUE OR FALSE. The normal curve is bell-shaped.
TRUE
what is the probability of getting an odd number in a single roll of a die
(1, 3, 5) 3/6 or 1/2
What is the probability of getting an ace when a card is drawn from a deck
4/52 OR 1/13
The total area under a normal curve is
1
The empirical rule is better known as 68% - 95% - 99.70% rule. True or False
True
It shows the distance of a random variable from its mean.
VARIANCE
a measure which shows how much variation (such as spread, dispersion, spread,) from the mean exists.
STANDARD DEVIATION
