Probability Review

What is the probability that the person picked will be a boy given they speak German? 

• .7273
• .4
• .16
• .22

Tags

CCSS.HSS.CP.A.1

CCSS.HSS.CP.B.8

CCSS.HSS.ID.B.5

What is the probability that a student does not play on a sports team? 

• .5
• .45
• .55
• .15

Your drawer contains 6 red socks and 10 blue socks. It's too dark to see which are which, but you grab two anyway. What is the probability that both socks are red?

• 5/15
• 36/256
• 1/3
• 1/8

Tags

CCSS.HSS.CP.B.8

CCSS.HSS.CP.B.9

A bag contains 5 red marbles and 4 pink marbles. A marble is randomly drawn and then replaced. What is the probability the first marble is pink and the second is red?

• 26.9%
• 24.7%
• 20.0%
• 5%

What is P(Foreign language | Sport)?

• 14/27
• 7/12
• 23/47
• 37/47

Tags

CCSS.HSS.CP.A.3

CCSS.HSS.CP.A.4

CCSS.HSS.CP.B.6

What is P(not sport | Foreign language)?

• 23/37
• 14/23
• 14/37
• 3/23

Tags

CCSS.HSS.CP.A.1

CCSS.HSS.CP.A.3

CCSS.HSS.CP.A.4

CCSS.HSS.CP.B.6

What is P(not Sport | not Foreign Language)?

• 23/26
• 14/23
• 3/13
• 7/13

Tags

CCSS.HSS.CP.A.1

CCSS.HSS.CP.A.3

CCSS.HSS.CP.A.4

CCSS.HSS.CP.B.6

CCSS.HSS.ID.B.5

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.HSS.CP.A.3

CCSS.HSS.CP.B.6

CCSS.HSS.CP.B.8

A box contains 5 purple marbles, 3 green marbles and 2 orange marbles. Draws are made without replacement.P(both marbles are purple)

• 2/9
• 1/3
• 1/2
• 1/4

Tags

CCSS.HSS.CP.B.8

CCSS.HSS.CP.B.9

A bag contains 2 orange dice and 7 purple dice. A purple dice is drawn and not replaced. Then an orange dice is drawn. These events are

• Independent
• Dependent
• Conditional

Tags

CCSS.HSS.CP.A.5