Now
Now
Probability of not selecting gray =12/14
Now
But pink is in 5
15; it represents the one-time sign-up fee
The y-intercept can be found either on the graph where the line intercepts the y-axis, or b in the equation y=mx+b.
It represents the fee because it will be charged even if the number of months (x) is zero. 10 is the monthly fee because it is multiplied by x, the number of months.
500 because you would round down because it is less than 5.
