Probability Quiz CBSE Grade 11 Math

What is the sample space for rolling a fair six-sided die?

• A, B, C, D, E, F

• 1, 2, 3, 4, 5, 6

If a bag contains 5 red balls, 3 blue balls, and 2 green balls, what is the probability of drawing a blue ball?

• 1/5

• 3/10

• 2/10

• 4/10

Tags

CCSS.7.SP.C.7B

In a deck of 52 playing cards, what is the probability of drawing a heart?

• 1/13

• 1/52

• 1/2

• 1/4

Tags

CCSS.7.SP.C.7B

If the probability of event A is 0.4 and the probability of event B is 0.3, what is the probability of both events A and B happening?

• 0.25

• 0.1

• 0.7

• 0.12

A box contains 4 red, 3 blue, and 5 green marbles. What is the probability of drawing a red marble?

• 3/10

• 2/5

• 4/12 or 1/3

• 5/12

Tags

CCSS.7.SP.C.7B

If the probability of rain on any given day is 0.3, what is the probability of no rain for 3 consecutive days?

• 0.5

• 0.9

• 0.343

• 0.2

If the probability of an event is 0.6, what is the probability of the event not happening?

• 0.4

• 1.2

• 0.8

• 0.2

Tags

CCSS.7.SP.C.5

In a class of 30 students, 18 are girls and 12 are boys. What is the probability of selecting a boy from the class?

• 1.2

• 0.6

• 0.4

• 0.2

Tags

CCSS.7.SP.C.7B

If the probability of winning a game is 0.25, what is the probability of losing the game?

• 0.50

• 0.75

• 0.25

• 1.00

Tags

CCSS.7.SP.C.5

A bag contains 8 red balls and 4 green balls. What is the probability of drawing a red ball?

• 5/8

• 3/5

• 8/12 or 2/3

• 1/4

Tags

CCSS.7.SP.C.7B