16.E.11 Mixed Review

Which event is not a dependent event?

• Picking 2 students to each be line leader and door holder from a group of 20 students
• Picking 2 marbles from a bag without replacing the first marble
• Picking 2 crayons from a box at the same time (simultaneously) 
• Picking an earring, replacing it, then picking a 2nd earring

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

Describe the event as independent or dependent:
You draw a red marble from a bag and then another red marble (not replacing the first marble.)

• independent
• dependent

Describe the event as independent or dependent:
Seth draws a colored tile from a bag, replaces it; draws a second tile from the bag, replaces it; and then draws a third tile.

• independent
• dependent

Find the probability of: P(A and not 2)

• 1/12
• 1/6
• 1/2

Find the probability of: P(D and 1)

• 1/12
• 1/24
• 1/8

A box contains 3 red marbles, 6 blue marbles and 1 white marble. The marbles are selected 1 at a time and not replaced. Find P(blue and red)

• 9/50
• 1/5

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

Suppose two tiles are drawn from the collection shown. The first tile is replaced before the second tile is drawn. Find P(A and A)

• 4/225
• 1/100
• 1/5

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

Suppose two tiles are drawn from the collection shown. The first tile is not replaced before the second tile is drawn. Find P(A and A)

• 4/225
• 1/105
• 3/71

What is the probability of selecting an orange candy?

• 0%
• 25%
• 50%
• 100%

A box contains 5 purple marbles, 3 green marbles and 2 orange marbles. You pick out two marbles, one at a time and not replacing the first. What is the probability that both marbles are purple?

• 2/9
• 1/3
• 1/2
• 1/4