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. (please show work)

1. The random variable x satisfies which of the following probability distributions?

a. normal b. Poisson c. binomial d. Not enough information is given to answer this question.

2. The probability that there are 8 occurrences in ten minutes is

a. .0241 b. .0771 c. .1126 d. .9107

3.  The probability that there are less than 3 occurrences is

a. .0659 b. .0948 c. .1016 d. .1239

Answer rating: 100% (QA)

1Correct Answer Option B Poisson Since random variable x is the number ... View the full answer