Al employed a linear regression equation to help him understand his cell phone bill. From his data for past minutes employed and amounts paid, he generated the following equation for cell phone use. In this equation, the dependent variable y represents amount paid, and the independent variable x represents the number of minutes used.
y = 25.75 + 1.32x .
a. Using this equation, determine how much he will pay if he uses his cell phone for a total of 1 hour (60 minutes).
b. How much wll he pay even if he never uses the phone?
c. Besides the fixed amount you determined in part b0 above, how much does Al pay per minute to use his phone?