2) la distribución de probabilidad de una variable aleatoria discreta viene dada por:
xi
1
2
3
4
pi
0,3
0,35
r
0,2
a) halla “r” para que se trate de una función de probabilidad.

The two box p digram the two box plots show the data of the pitches thrown by two pitchers throughout the season. which statement is correct? check all that apply. pitcher 1 has a symmetric data set. pitcher 1 does not have a symmetric data set. pitcher 2 has a symmetric data set. pitcher 2 does not have a symmetric data set. pitcher 2 has the greater variation.ots represent the total number of touchdowns two quarterbacks threw in 10 seasons of play