I am unsure of how to answer this question

Arestaurant gives out a scratch-off card to every customer. the probability that a customer will win a prize from a scratch-off card is 25%. design and conduct a simulation using random numbers to find the experimental probability that a customer will need more than 3 cards in order to win a prize. justify the model for your simulation, and conduct at least 10 trials.

F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?

Which of the following equations is equivalent to x/3-6/x=1