What is the square root of x if x = 25?

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.

Need this asap if anyone can i would be very grateful. if you could show workings that would really

You work in a hospital that has 9 floors. you need to see 3 patients on each floor. how many patients do you need to see in all?