Anna has a bag of marbles for her little sister. It contains 12 red marbles, 6 white
marbles, and 2 blue marbles, She drops the bag and 3 marbles roll out, What is the probability that all 3 marbles that roll out are white?
A. 15/343
B.1/57
C.3/20
D.1/120

Suppose there are 10 five and six-year-old attending a birthday party. when a 30 year old mother walks into the room with an infant in her arms, what happens to the mean age in the room? what happens to the standard deviation of ages in the room? a. the mean and standard deviation of both change. b. the meaning will change, but the standard deviation will stay approximately the same. c. i mean will stay approximately the same, but the standard deviation will change. d. the mean and standard deviation will both stay approximately the same.

The solution set for 5v2 – 125 = 0 is

Miguel’s teacher asks him to color 4/8 of his grid. he must use 3 colors: red, blue, and green. there must be more green sections than red sections. how can miguel color all the sections of his grid to follow all the rules