Suppose you have 10 marbles, They are marked with the numbers: 1,2,3,4,5,6,7,8,9 or 10. They are placed in a jar and you reach in and select one. What is the probability that the number you select has a factor of 3?. What is the probability that the number you select is a prime number?. Even number?. Evenly divisible by 13?.