Finding Probability: Dependent vs Independent Events

What is the probability of flipping a coin and getting heads three consecutive times?

• 1/16

• 1/2

• 1/4

• 1/8

If you draw an ace of diamonds and then an ace of hearts from a deck without replacement, what is the probability of this sequence?

• 1/52 * 1/52

• 1/52 * 1/51

• 1/51 * 1/51

• 1/50 * 1/49

What are the odds of drawing two red balls in a row without replacement from a bag of 4 red and 6 yellow balls?

• 4/10 * 6/10

• 6/10 * 4/10

• 4/10 * 3/9

• 3/9 * 3/9

Tags

CCSS.HSS.CP.A.5

If you replace a card after drawing from a deck, does it affect the probability of drawing a specific card the second time?

• Only if it's not a face card

• No, it does not

• Yes, it does

• Only if it's a face card

Tags

CCSS.7.SP.C.8B

In a tree diagram for flipping a coin and rolling a die, how many total outcomes are possible?

• 2

• 24

• 12

• 6

What is the probability of flipping a coin and getting tails, then rolling a die and getting an even number?

• 1/8

• 1/2

• 1/16

• 1/4

What is the probability of drawing two red blocks consecutively without replacement from a bag containing four red and three blue blocks?

• 4/6 * 3/7

• 3/7 * 4/6

• 4/7 * 3/6

• 3/6 * 4/7

What is the probability of drawing a blue block and then a red block from a bag, keeping the blue block?

• 3/6 * 4/7

• 4/7 * 3/6

• 4/6 * 3/7

• 3/7 * 4/6

If a spinner has 8 sections and 3 are gray, what are the odds against spinning gray?

• 2 to 6

• 3 to 5

• 3 to 8

• 5 to 3

What is the probability of selecting pottery and horseback riding as activities, assuming they are independent events?

• 1/8

• 1/40

• 1/13

• 1/10