RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS
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- RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONSstatistics-mcqs › random-variable-and-probability-distributions
- Published
- 4 Jun 2022
- Last updated
- 28 May 2026
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Explanation
When the probability of success (p) equals the probability of failure (q), the binomial distribution is perfectly symmetrical. If p is not equal to q, the distribution becomes skewed either to the right or left depending on which probability is larger.
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Practice related questions from the same subject.
- 1.What determines the shape of a Poisson distribution?
- 2.Given that p = 0.6 and q = 0.4, what is the shape of the binomial distribution?
- 3.Which probability distribution describes the count of successful events occurring within a fixed time period?
- 4.Which probability distribution describes the waiting time between two consecutive successes?
- 5.Which of the following terms can also be used to refer to the explanatory variable?
- 6.Which statement correctly describes the cumulative distribution function (CDF) of a random variable X?
- 7.In statistics, what must a random variable always have?
- 8.What is the total area beneath the curve of a probability density function?
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