Vicki would like to estimate the probability of tails coming up fewer than 2 times in 3 coin flips.
To do this, she has a computer randomly select 0 or 1 three times, with 0 representing heads and
1 representing tails. The results of 15 trials are shown in the table.
110
111
000 011 000
010 101 100 000 000
111
101 110
101 111
What is Vicki's estimated probability, based on this simulation?
Enter your answer as a fraction, in simplified form, in the box.