There are red, blue, and black marbles in a bag. •The probability of pulling out a red marble is 2/5. •The probability of pulling out a black marble is 1/10. •One marble is pulled out at random. What is the probability the marble will be blue? A. 7/10
B. 3/5
C. 1/2
D. 3/10

Will give the box plots below show the math scores of students in two different classes: class a 55 72 75 89 95 class b 55 70 75 94 100 based on the box plots, which statement is correct? a: the median score of class a is greater than the median score of class b. b: the lower quartile of class a is greater than the lower quartile of class b. c: the upper quartile of class a is greater than the upper quartile of class b. d: the maximum score of class a is greater than the maximum score of class b.