3. The New York Yankees scored the following number of runs over a period of 7 games. (8, 6, 7, 7, 3, 12, 10) Which one of the following statements shown below is true?
A. Mean > Mode
B. Median > Mean
C. Range = Median
D. Mode > Median
5. The following numbers represent the Math OGT scores of 8 students.(247, 253, 310, 350, 400, 460, 480, 495) The 8th student is unhappy with her score of 495 and takes an OGT prep course. She improves her score from a 495 to a 540. Which of the following statements is NOT true if the 8th student's score of 540 replaces the score of 483 in the data set?
A. The median decreases.
B. The median remains constant.
C. The range increases.
D. The median increases.
11. There is a bag of 8 marbles. There are 5 yellow and 3 red marbles. If you select 1 marble and choose another without replacing the first marble, what is the probability of selecting 1 yellow marble and 1 red marble?
The borders of a rectangle are defined by the following lines. They are y=5; y=1; x=0; x=-3. A triangle within the rectangle is defined by the lines x=0; y=1; and y=x+4. If you throw a dart at the rectangle (and you are guaranteed to hit it), what is the probability that the dart lands in the triangle?
These questions are quite confusing to me, anyone know how to go about solving these? Thanx