Geometric Probability Quiz

A ball has a circumference of 9.42 cm. What is the diameter?

• 29.5788 cm
• 59.1576 cm
• 3 cm
• 1.5 cm

what is the area of this semicircle ?

• 25.13cm
• 50.27cm
• 200.96cm
• none of the above

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

What proportion of senior boys play football and wrestle?

• 9/143

• 21/143

• 30/143

• 39/143

Find the probability of a point chosen at random being selected in the non-shaded area. (Within the circle of radius 14)

• 1/2

• 49/14

• 7/196

• 1/4

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

• 15.3%
• 24.5%
• 26.9%
• 21.5%

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

• 94.8%
• 80%
• 60%
• 45.6%

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 probability that a point K selected randomly on AE  is not on AD. Express your answer as a simplified fraction.

Find the probability that the spinner lands on Bonus Card when spun. Enter your answer as a decimal rounded to the nearest 10th.