1.A teacher writes the letters of the word MATHEMATICS in a small piece of cartolina and puts them in a box. A pupil was asked to pick a letter 8 times. M was picked one time, what is the experiment probability of getting an M?

2. There are 10 red marbles, 12 green and 14 white marbles in a box.After 12 trials,a boy picked green marbles 6 times, what is the experimental probability of getting green marble?
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