en qué consistió la política imperialista y expansiva de Estados Unidos y Japón y sus relaciones con las potencias europeas​

The random variable x represents the number of phone calls an author receives in a day, and it has a poisson distribution with a mean of 8.7 calls. what are the possible values of x

How long does it take natsumi to clean up after she is done? table: .area time30. 245. 2.7560. 3.5

The anwser cause i do not understand just plez