Which measure of center or spread represents the given situation?

ms. olney said that more students made 90 percent on the quiz than any other score.

a.
mean

b.
median

c.
mode

d.
range

The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?