What is the probability of rolling a 6-sided die and getting a 1 or a prime number?

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

We have 339 ounces of jam to be divided up equally for 12 people how muny ounces will each person get

Aclassroom is made up of 11 boys and 14 girls. the teacher has four main classroom responsibilities that she wants to hand out to four different students (one for each of the four students). if the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?