Geometric Probability Length and Area

If a stone is dropped at random on the arrangement of tiles shown, what is the probability the stone lands on a black tile?

• 5/9
• 4/9
• 1/2
• 1/9

This game board is made up of concentric circles. The center circle has a diameter of 4 inches. Each successive ring has a radius 2 inches greater than the ring before. Find the probability of scoring 80 points.

• 2/3
• 1/3
• 3/4
• 1/4

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

• 15.3%

• 24.5%

• 26.9%

• 21.5%

Find the probability that a point K selected randomly on AE , is on AC. Express your answer as a fraction.

• 1/2
• 3/4
• 4/8
• 3/8

Find the probability that a point K selected randomly on AE , is on BC. Express your answer as a fraction.

• 1/2
• 2/4
• 4/8
• 3/8

Find the probability that a randomly chosen point in the figure lies in the shaded region. Give as a percentage.

• 94.8%

• 80%

• 60%

• 45.6%

If you throw a dart at the square design below, what is the probability that you hit the middle region?

• 0.75

• 0.4375

• 0.5625

• 0.28125

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

Find the theoretical probability of landing on orange or red if you spin the spinner.

• 0
• 3/8
• 2/8
• 1/4

The dartboard above is made up of three concentric circles with radii 1, 3, and 5 and Assuming that a dart thrown will land randomly on the dartboard, what is the probability that it lands in the green region?

• 0.32

• 0.36

• 0.40

• 0.60