Answer:
A. 
Step-by-step explanation:
The domain of a function is the set of
-values.
Answer:
12/37
Step-by-step explanation:
sin alpha = opposite side/ hypotenuse
sin alpha = 12/37
There are two possible ways for X=1: first light is green and second is red OR first light is red and second is green. The probabilities for these two options are to be summed: 0.6*0.4 + 0.4*0.6 to give the probability of exactly one light being green, namely 0.48.
The IQR or interquartile range is the difference between Q1 and Q3, also know as the upper and lower quartiles.