A skateboarder have a 96% success to do an ollie in his first try. He is given 3 tries to do an ollie. Each try is statiscally independent.
1. Probability that the skateboarder will do an ollie in his 3 tries.
2. Probability that at least he will do 1 ollie.
3. Probability that the skateboarder will not do an ollie.