Basic Probability

The following M & M colors are in the bowl:
4 yellow, 6 orange, 3 green, 5 blue, 2 brown.
What is the probability of selecting a brown candy?

• 2/18
• 1/9
• 2/20
• 1/10

Tags

CCSS.7.SP.C.7B

What is the probability of rolling an even number on a dice. The dice is numbered 1-6.

• 3/6
• 1/2
• 1/6
• 5/6

Tags

CCSS.7.SP.C.7A

Based on the chart, what is the probability of pulling a green marble?

• 1/8
• 8/25
• 8/100
• 7/8

Tags

CCSS.7.SP.C.7B

What is the probability of getting any letter that is not A?

• 6/8
• 3/4
• 2/8
• 1/4

Tags

CCSS.7.SP.C.7B

Deion has two bags of marbles. In the bag labeled ‘A’, he has 3 green, 4 blue and 10 yellow marbles. In the bag labeled ‘B’, he has 13 green, 5 blue, and 12 yellow marbles. Deion wants the bag with the highest probability of selecting a blue marble. Which of the following statements is true?

• It does not matter which bag he chooses because the probabilities are the same.
• He should choose Bag B because there are fewer blue marbles.
• He should choose Bag A because the probability of selecting a blue marble is higher.
• He should choose Bag B because the probability of selecting a blue marble is higher.

If a dice is rolled 300 times, how many times would you predict a roll of a 1 or a 6?

• 50
• 100
• 150
• 75

Tags

CCSS.7.SP.C.6

If I flip a fair coin 10 times, how many times should I get heads?

• 1
• 10
• 3
• 5

Tags

CCSS.7.SP.C.6

Based on the area model, what percent is left handed and has a sibling?

• 8%
• 72%
• 2%
• 18%

A standard die is rolled twice. Find the probability of getting and odd both times.

P (odd both times)

• 1/2

• 1/4

• 2/3

• 1/9

40% of students at East wore orange on a Spirit Day. If two students are randomly selected, what is most likely the probability that both students will not be wearing blue? Hint: Use a probability area model.

• 16%
• 36%
• 40%
• 60%