A cube-shaped container has twice the volume of a container shaped like a rectangular prism that has dimensions of 3 feet by 4 feet by 9 feet. What is the length of the cube’s edge?

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 appropriate probability distribution for the random variable