Problem 12 If $2,500 is invested at 3% compounded quarterly, what will be the value of the investment in 3 years? Problem 13 In a class of 20 students, 8 received a grade of A. What was the relative frequency (as a percentage) of students who made a grade of A? Use the data values given below to answer problems #14 - 16. 2, 3, 4, 8, 9, 9, 11, 11, 11, 12 Problem 14 What is the mean of the data? Problem 15 What is the mode? Problem 16 What is the first quartile of the data? Problem 17 A data set has a mean of 85 and a standard deviation of 6. What percent of the data values lie between 79 and 91?? Problem 18 What is the probability of drawing two spades in a row from a standard deck of cards when the first drawn card is not returned to the deck? Problem 19 What is the probability of selecting a family of 1 boy and 2 girls from a group of families with 3 children? Problem 20 A car dealership had a certain make of car in 5 different colors, 3 body styles, and 2 models. How many different vehicles of that make are available at the dealership? Problem 21 If you toss 2 coins, what is the probability of getting 1 or 2 heads