DO I HAVE THE CORRECT ANSWER

Question

The table to the right lists probabilities for the corresponding numbers of girls in three births. What is the random variable, what are its possible values, and are its values numerical?

Number of girls

x  P(x)
0  0.125
1  0.375
2  0.375
3  0.125

 

I CALCULATED 1 AM I CORRECT

Answer 1

The random variable is x and its possible values are in the 'x' column; 0,1,2,3.

 

The p(x) column represents the associated probabilities and when you add them you should (and do) get 1.