Question

At a large university, data were collected on the number of sisters and brothers that each student had. Let the random variable XX represent the number of sisters and the random variable YY represent the number of brothers. The distribution of XX has mean 1.00 and standard deviation 0.94. The distribution of YY has mean 1.07 and standard deviation 1.04. What is the mean of the distribution of X YX Y

Answer 1

Answer:

2.07

Step-by-step explanation:

X mean = 1.00

Y mean = 1.07

X + Y = 1 + 1.07 = 2.07