60%。 A junior college degree means a junior college degree, and those who enroll middle school graduates or equivalent have a study period of two to three years. As of June 8, 2022, 1000, the number of participants in the municipal prize for mathematical modeling of junior college is 1000, and the number of winners is 600, that is, the winning probability is 600 divided by 1000 multiplied by 100, and the available probability is 60%. Probability is a quantitative index indicating the possibility of a certain situation (event), ranging from 0 to 1.