Intro to Probability Assignment

If you pick a point at random inside the large square, find the probability it is in the small square.

• 0

• 1/4

• 1/3

• 1/2

A point is randomly chosen on  . Find the probability that a point chosen at random will NOT be in the triangle.
(Round to the nearest hundredth)

• 0.84

• 0.16

• 0.30

• 0.15

Find the geometric probability of a marble falling on the shaded region of the figure. 

• 15.3%
• 24.5%
• 26.9%
• 21.5%

A box contains 10 marbles. 5 purple marbles, 3 green marbles and 2 orange marbles. How many more green marbles need to be added so that the probability of choosing a green marble is 1/2?

• 1

• 2

• 3

• 4

There are 15 marbles in a burlap bag; 3 red, 4 blue, 2 green, and 6 clear. How many more red marbles need to be added for the probability of drawing a red marble to be 7/11?

• 15

• 18

• 21

• 12

A piggy bank contains 40 coins. 4 quarters, 18 dimes, 10 nickels, and 8 pennies. How many quarters need to be added for the probability of choosing a quarter to be 5/23?

• 4

• 6

• 8

• 10

A box is filled with various fruits. It has 3 limes, 5 grapes, and 2 oranges. How many oranges need to be added to the box so that the probability of grabbing an orange will be 5/7?

• 27

• 9

• 18

• Answer Not Here

There are 12 marbles in a jar. The probability of choosing a blue marble is 1/3. How many blue marbles are in the bag?

• 2

• 4

• 6

• 8

A bag contains 20 marbles. The probability of choosing a yellow marble is 1/4. How many marbles in the bag are yellow?

• 5

• 6

• 7

• Answer not here

A bag contains 30 pieces of candy. The probability of choosing a lemon flavored candy is 1/10. How many lemon flavored candies are in the bag?

• 15

• 7

• 3

• 5