What is 39 in base two

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.

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If a runner who runs at a constant speed of p miles per hour runs a mile in exactly p minutes what is the integer closest to the value p