In: Statistics and Probability
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. The probability that there are 8 occurrences in ten minutes is
a. |
.0771 |
|
b. |
.0241 |
|
c. |
.1126 |
|
d. |
.9107 |