Probability Insights: Comparing Events and Outcomes

A bag contains 5 red, 3 blue, and 2 green marbles. What is the probability of randomly selecting a blue marble?

• 0.1

• 0.2

• 0.3

• 0.5

Tags

CCSS.7.SP.C.7B

In a class of 30 students, 12 are girls. What is the probability of randomly selecting a girl from the class?

• 0.4

• 0.5

• 0.2

• 0.3

Tags

CCSS.7.SP.C.7B

If a die is rolled, what is the probability of rolling an even number?

• 1/2

• 1/3

• 2/5

• 3/6

Tags

CCSS.7.SP.C.7B

A spinner has 4 equal sections: red, blue, green, and yellow. What is the probability of landing on red or blue?

• 2/3

• 3/4

• 1/4

• 1/2

In a survey, 60% of people prefer chocolate ice cream. If 10 people are surveyed, how many would you expect to prefer chocolate?

• 4

• 10

• 8

• 6

Tags

CCSS.7.SP.C.6

A box contains 10 chocolates, 4 of which are dark chocolate. If one chocolate is picked at random, what is the probability it is dark chocolate?

• 5/10

• 2/5

• 1/4

• 3/10

Tags

CCSS.7.SP.C.7B

If two coins are flipped, what is the probability of getting at least one head?

• 0.25

• 0.75

• 1.00

• 0.50

In a deck of cards, what is the probability of drawing a heart or a diamond?

• 1/2

• 1/3

• 1/4

• 3/4

Tags

CCSS.HSS.CP.B.7

A school has 200 students, and 80 of them play soccer. What is the probability of randomly selecting a student who does not play soccer?

• 0.2

• 0.6

• 0.8

• 0.4

If a jar contains 6 red, 4 yellow, and 10 green candies, what is the probability of picking a yellow or green candy?

• 7/10

• 1/2

• 2/3

• 3/5