Study

Probability Distribution

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