Other Discrete Distributions

# Other Discrete Distributions - Stats Other Discrete...

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Stats: Other Discrete Distributions Multinomial Probabilities A multinomial experiment is an extended binomial probability. The difference is that in a multinomial experiment, there are more than two possible outcomes. However, there are still a fixed number of independent trials, and the probability of each outcome must remain constant from trial to trial. Instead of using a combination, as in the case of the binomial probability, the number of ways the outcomes can occur is done using distinguishable permutations. An example here will be much more useful than a formula. The probability that a person will pass a College Algebra class is 0.55, the probability that a person will withdraw before the class is completed is 0.40, and the probability that a person will fail the class is 0.05. Find the probability that in a class of 30 students, exactly 16 pass, 12 withdraw, and 2 fail. Outcome x p(outcome) Pass 16 0.55 Withdraw 12 0.40 Fail 2 0.05 Total 30 1.00 The probability is found using this formula:

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Other Discrete Distributions - Stats Other Discrete...

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