Answer:
There are 2^3 = 8 possible outcomes after tossing a fair coin fairly 3 times. The 8 possible outcomes are: TTT, HTT, THT, TTH, HHT, HTH, THH, HHH. Exactly 2 of 8 possible outcomes result in 3 of the same faces showing up.
Step-by-step explanation:
2
the mean (average) change in gasoline in gallons per day = (25-11) gallons / 7 days
= 14/7 = 2 gallons per day
it would just be 2000 * 1.075
2150
12