Marbles
A bag has 5 red and 3 blue marbles. What is the probability of drawing 1 red, then blue, without Replacement?
5/8 x 3/7 = 15/56
Probability of drawing a heart, then another heart, with no replacement?
13/52 x 12/51
A box has 4 red and 6 blue balls. Probability of drawing 2 red balls?
A class has 12 boys and 8 girls. Probability that two students picked are both girls?
8/20 x 7/19
A bag has 4 green and 6 yellow marbles. probability of drawing two green marbles in a row?
4/10 x 3/9 = 12/90 = 2/15
Probability of drawing king, then a queen?
4/52 x 4/51
A box 3 white, 4 green. Probability of drawing white then green?
3/7 x 4/6
A teacher randomly selects a president and vice president from 15 students. Probability both are boys if 9 are boys?
9/15 x 8/14
A bag has 2 purple, 3 orange, and 5 black marbles. What is the probability of drawing purple then black?
2/10 x 5/9 = 10/90 = 1/9
A box has names of 5 seniors and 10 juniors. Probability of drawing senior then junior?
5/15 x 10/14
A box has 7 tennis balls and 3 baseballs. Probability of drawing 2 tennis balls?
7/10 x 6/9
A box has names of 5 seniors and 10 juniors. Probability of drawing senior then junior?
5/15 x 10/14
A bag has 7 blue and 1 red marble. What is the probability of drawing two blue marbles?
7/8 x 6/7 = 6/8 = 3/4
A club has 20 members. Only 3 are officers. Probability of selecting two officers randomly?
3/20 x 2/19
A box has 2 red, 2 blue, 6 yellow. Probability of drawing red then blue?
2/10 x 2/9
A club has 20 members. Only 3 are officers. Probability of selecting two officers randomly?
A bag has 3 white, 4 black, and 2 gray marbles. What is the probability of drawing white, black, then gray in that order?
3/9 x 4/8 x 2/7 = 24/504 = 1/21
There are 6 athletes, 4 musicians, 5 artists. Probability of selecting musician, athlete, artist in that order?
4/15 x 6/14 x 5/13
A box has 5 red, 2 green, 3 blue balls. Probability of drawing three reds?
5/10 x 4/9 x 3/8 = 60/720 = 1/2
There are 6 athletes, 4 musicians, 5 artists. Probability of selecting musician, athlete, artist in that order.
4/15 x 6/14 x 5/13