300
There are red, a purple, and a pink marble in a bag. A marble is picked 20 times, and the marbles are replaced after each pick. If red was picked 8 times, purple was picked 10 times, and pink was picked 2 times, what is the experimental probability of picking a red marble? Give answer as a fraction, decimal, and a percent.
What is 2/5; 0.4; 40%?