Ineed with questions 2 and 3 and it’s very hard and i’m struggling with it and if you need to see the picture big then click on it and it will be big

How can you find the conditional probability of a given b as the fraction of b’s outcomes that also belong to a, and interpret the answer in terms of the model? i just need a good explanation

One integer is 8 times another. if the product is 72, then find the integers

You got a job selling magazines door-to-door. you are paid $100 per day plus $1.50 for each magazine you sell. which recursive formula models this situation?