dependent and independent probability

A bag contains 5 striped cubes, 3 dotted cubes, 4 white cubes and 3 red cubes. What is the probability of drawing a red cube, replacing it, and then drawing a white cube?

• independent

• dependent

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

A bag contains 2 striped cubes, 3 dotted cubes, 4 white cubes and 3 red cubes. What is the probability of drawing a white cube, not replacing it, and then drawing a dotted cube?

• dependent

• independent

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

Dependent probability happens when the first item is replaced, causing the total outcomes to increase by 1.

• True

• False

Tags

CCSS.7.SP.C.8

A pocket contains 3 pennies, 2 nickels, 3 quarters and 4 dimes. What is the probability of randomly choosing a quarter two times in a row if the first coin drawn is not replaced?

• dependent

• independent

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

Clinton has a bag of Skittles™. Inside the bag are 6 red, 4 orange, 7 yellow, 3 purple and 4 green Skittles™. What is the probability of drawing a green Skittle™, replacing it, and then drawing another green Skittle™?

• independent

• dependent

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

What is the probability of flipping a coin twice and landing on tails both times? (leave answer in fraction form in lowest terms)

• 1/2

• 2/2

• 4/1

• 1/4

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

What is the probability of picking a blue marble, putting it back in the bag, then picking a red marble? (leave answer in fraction form in lowest terms)

• 9/49

• 16/49

• 12/42

• 12/49

Tags

CCSS.7.NS.A.2

CCSS.7.NS.A.3

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

What is the probability of picking a green marble, keeping it, then picking another green marble? (leave answer in fraction form in lowest terms)

• 9/49

• 1/7

• 3/14

• 6/42

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

What is the P(blue)?

(leave answer in fraction form in lowest terms)

• 1/3

• 1/6

• 1/2

• 2/6

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

If you spin two times, what is the probability of landing on green both times? (leave answer in fraction form in lowest terms)

• 1/6

• 1/9

• 1/36

• 1/30

Tags

CCSS.7.NS.A.2

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8