dependent probability

A jar contains 4 white chips, 5 purple chips, and 1 black chip. Chips are selected randomly one at a time, and are not replaced.
P(white, then purple, then black)

• 1/36
• 2/39
• 5/41
• 6/43

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

What is the probability when Sue will randomly select from a treat bag containing 6 lollipops and 4 gum balls. Sue will select a treat, not replace it, and then select a second treat. Sue will select a gum ball then a lollipop.

• 1/24

• 4/15

• 1/100

• 2/10

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

A bag contains 5 quarters, 2 dimes, and 4 pennies. What is the probability of picking a quarter, not replacing it, and then picking a penny?

• 20/121

• 8/121

• 2/11

• 4/55

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

Mrs. Smith has to choose two pieces of fruit for her lunch. If she randomly takes two pieces of fruit from a bowl of 8 oranges and 8 apples, what is the probability she will choose two apples? (Mrs. Smith does not put back the first piece of fruit before she takes the second piece of fruit)

P(apple, apple)

• 1/4

• 1/32

• 7/30

• 2/64

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

A farm has 5 brown cows and 10 white cows. A fence is open and two cows escape. What is the probability that it will be a brown cow, then a white cow?

• 1/9

• 5/21

• 2/9

• 10/21

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

A jar contains 2 pink, 6 red, and 4 blue marbles. If you pick two marbles without looking, what is the probability that the marble you pick will be red or blue and then, without replacing it, a pink.

• 5/33

• 5/36

• 1/18

• 2/9

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

Find the probability if you pick a card, do not replace it, then pick another card.

p(black, then white)

• 15/56

• 5/14

• 3/28

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.8

Find the probability if you pick a card, do not replace it, then pick another card.

p(white, then black)

• 15/56

• 5/14

• 3/28

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

Each letter of the word Banana is written on a card. Find each probability if you pick two cards without replacing the first.

p(B, then N)

• 2/30

• 6/30

• 3/30

• 0

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

Each letter of the word Banana is written on a card. Find each probability if you pick two cards without replacing the first.

p(N, then A)

• 2/30

• 6/30

• 3/30

• 0

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8