There are 25 = 32 possible outcomes.
11 overall
480
There are 25 = 32 possible outcomes.
3
If a coin is tossed 15 times there are 215 or 32768 possible outcomes.
There are 25 = 32 possible outcomes.
There are 26 = 64 possible outcomes.
There are 26 = 64 possible outcomes.
If you flip a coin 2 times, there are 4 possible outcomes; HH, HT, TH, TT.
32
256
Four outcomes, three combinations.
24 or 16
11 overall
Two possible outcomes for each flip. 2,048 possible histories of 11 flips.
16