You have seven red marbles and seven blue marbles in a bag. You randomly take a marble from the bag , and then you randomly take another marble from the bag without returning the first marble to the bag. What is the probability that both marbles are red?

1Points

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.

Raymond just got done jumping at super bounce trampoline center. the total cost of his session was $43.25 . he had to pay a $7 entrance fee and $1.25 for every minute he was on the trampoline. write an equation to determine the number of minutes (t) that raymond was on the trampoline.

Aquadrilateral has exactly one pair of parallel sides. which name best describes the figure?