Which of the following event pairs would seem to be statistically independent? (Keep in mind that to truly establish independence, we would need to see probabilities.)
a. A = exercising regularly
B = having low blood pressure
b. A = playing professional sports
B = making a million dollars.
c. A = reading at least one book per week
B = having a full-time job
d. A = having a PayPal account
B = having a Face book account
e. A = voting Democrat
B = owning a riding lawn mower.
f. A = studying 12 hours a day
B = sleeping 15 hours a day]