Probability Review

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

• 75%
• 45%
• 50%
• 80%

Tags

CCSS.7.SP.C.7A

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

Tags

CCSS.7.SP.C.7A

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

Tags

CCSS.7.SP.C.7B

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.

• 52.3%
• 51.4%
• 47.6%
• 45.7%

Determine whether the question would be a permutation or combination: Five students from 90 will be selected to count ballots for the Class President election. How many groups of 5 students could be selected to count ballots?

• Permutation

• Combination

• Neither

Permutation, combination, or neither?
Rob and Mary are planning trips to 9 countries this year.  There are 13 countries they would like to visit.  They are deciding which countries to skip.

• combination
• permutation
• neither

What does ₁₀P₅ mean?

• Permutations with 5 choices and 10 positions
• Permutations with 10 choices and 5 positions
• Permutations with 5 numbers and 10 operations
• Permutations with 5 hot dogs and 10 drinks

In the orchestra, there are eight violinists in the front row. How many different ways can they be seated?

• 40320
• 1
• 64
• 8