What is probability? this is on my science test but i can't find it on my reference sheet

well i this is all i know the chance of something likely occuring

a. seed plant structure. 1. the three main plant organs are roots, stems, and leaves. a fourth kind of tissue, meristematic tissue, is responsible for plant growth. meristematic tissue is the only plant tissue that produces new cells by mitosis. plants can lose water out of their leaves as they exchange gases with the air

explanation:

true                                                                                                       true true true true true true