There are 4 red marbles, 5 green marbles, 6 yellow marbles and 3 blue marbles in a bag. You select one marble at random. What is the probability that it will be yellow?

A. 1/4

B. 1/5

C.1/2

D.1/3

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.

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

Write the rational number in lowest terms 99/-15