8.5 Probability of Compound Events (Dependent Events)

An event is DEPENDENT, if...

• The first event has no affect on the next event

• The first event affects the second event

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

The following M & M colors are in the bowl:
4 yellow, 6 orange, 3 green, 5 blue, 2 brown
What is the probability of selecting a blue, eating it then selecting yellow?

• 2/18
• 1/9
• 2/20
• 1/19

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

A box contains 5 purple marbles, 3 green marbles and 2 orange marbles. Draws are made without replacement. Find the probability that both marbles drawn are purple.

• 2/9

• 1/3

• 1/2

• 1/4

Sue is randomly selecting from a treat bag containing 6 lollipops and 4 gum balls. What is the probability that Sue will select a gumball, not replace it, and then select another gumball?

• $\frac{12}{19}$

• $\frac{2}{15}$

• $\frac{8}{19}$

• $\frac{7}{90}$

Tom is selecting randomly from a treat bag containing 6 lollipops and 4 gumballs. What is the probability that Tom will select 1 lollipop, not replace it, and then select a 1 gum ball?

• $\frac{1}{24}$

• $\frac{2}{11}$

• $\frac{4}{15}$

• $\frac{1}{10}$

In a standard deck of 52 cards, what is the probability of drawing one ace, not replacing it, and then drawing another ace?

• 1/221

• 1/4

• 1/169

• 1/13

There are 4 white marbles, 6 red marbles, and 2 blue marbles. Once a marble is selected, it is not replaced. Find the probability of selecting 2 blue marbles.

• 1/2
• 1/36
• 1/6
• 1/66

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

Given a standard deck of 52 playing cards, what is the probability of randomly drawing a 2 and then a 3 if the first card is not replaced?

• 1/13
• 4/663
• 1/676
• 1/169

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™, eating it, and then drawing a red Skittle™?

• $\frac{1}{23}$

• $\frac{1}{24}$

• $\frac{5}{24}$

• $\frac{3}{23}$