Angie and Kenny play online video games. Angie buys 1 software package and 2 months of gameplay. Kenny buys 1 software package and 1 of gameplay. Each software package costs ​$45. If their total cost is ​$120​, what is the cost of one month of gameplay?

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