In a large bag of marbles 40% of them are red the child chooses 4 marbles from the bag. if the child chooses the marbles at random, what is the chance that the child gets exactly three red marbles

Kayla made observations about the sellin price of a new brand of coffee that sold in the three different sized bags she recorded those observations in the following table 6 is $2.10 8 is $2.80 and 16 is to $5.60 use the relationship to predict the cost of a 20oz bag of coffee.