Asked by: Iaroslav Kutschenreuterasked in category: General Last Updated: 26th June, 2020
What are the main discrete probability distributions?
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Consequently, what is an example of a discrete probability distribution?
The number of ice cream servings that James should put in his cart is an example of a discrete random variable because there are only certain values that are possible (120, 130, 140, etc.), so this represents a discrete probability distribution, since this gives the probability of getting any particular value of the
Furthermore, what are the most common probability distributions? Things happen all the time: dice are rolled, it rains, buses arrive.
Simply so, what are the 2 requirements for a discrete probability distribution?
A probability experiment that has the following conditions:
- Each trial can have only two outcomes or outcomes that can be reduced to two. outcomes.
- There must be a fixed number of trials.
- The outcomes of each trial must be independent of each other.
- The probability of success must remain the same for each trial.
What makes a discrete probability distribution valid?
To be a valid discrete probability distribution, we need: the sum of the probabilities of all the possible values of the random variable to be 1, i.e., X Pr ( X = x ) = 1 ; the probabilities of each possible value of the random variable to lie between 0 and 1, i.e., 0 ≤ Pr ( X = x ) ≤ 1 .