Mathematics, 19.03.2020 04:09, annafran89

4. The random variable x is the number of occurrences of an event over an interval of ten minutes. It can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. It is known that the mean number of occurrences in ten minutes is 5.3. a. What probability distributions' properties is this? b. What is the expected value of the random variable x? c. What is the variance of the random variable x?

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4. The random variable x is the number of occurrences of an event over an interval of ten minutes. I...