Probability Review

What is the probability of spinning green?

• 0
• 1/4
• 1/2
• 3/4

Tags

CCSS.7.SP.C.5

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.HSS.CP.A.3

CCSS.HSS.CP.A.2

CCSS.HSS.CP.A.5

You flip a nickel three times.
Find the probability that all flips will land on tails.

• 1/2
• 1/4
• 1/6
• 1/8

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

You spin this spinner 3 times.

Find the probability of these 3 events.

P(red, and odd, and 3)

• 1/216

• 1/72

• 1/36

• 1/12

In a drawer, there are 6 white socks, 4 black socks, and 2 brown socks. You pick out a sock, replace it, then pick out a 2nd sock. What is the probability that you will pick a brown, then black sock?

• 1/11

• 1/18

• 1/36

• 2/33

Clare picks a marble at random, puts it back, and then picks another marble at random.

• Dependent
• Independent

Tags

CCSS.HSS.CP.A.3

CCSS.HSS.CP.B.8

CCSS.HSS.CP.A.2

CCSS.HSS.CP.A.5

Gabriel has these cans of soup in his kitchen cabinet.

• 2 cans of tomato soup

• 3 cans of chicken soup

• 2 cans of cheese soup

• 2 cans of potato soup

• 1 can of beef soup

Gabriel will randomly choose one can of soup. Then he will put it back and randomly choose another can of soup. What is the probability that he will choose a can of tomato soup and then a can of cheese soup?

• 2/5

• 1/25

• 2/45

• 1/5

Tags

CCSS.HSS.CP.B.8

CCSS.HSS.CP.A.2

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

• 2/9

• 5/21

• 10/21

Tags

CCSS.HSS.CP.A.3

CCSS.HSS.CP.B.8

CCSS.HSS.CP.A.1

Mary is a good student. The probability that she studies and passes her test is 3/5. If the probability that she studies is 8/9. What is the probability that she passes given that she studies? 

• 27/40
• 1.48
• .008
• .0593

Tags

CCSS.HSS.CP.A.3

CCSS.HSS.CP.B.6

CCSS.HSS.CP.B.8

A new credit card has been issued to 2000 customers. Of these customers, 1500 hold a Visa, 500 hold an AA card, and 40 hold a Visa and AA card. Find the probability that a random chosen customer holds an AA, given they hold a Visa.

• .0267

• 37.5

• .02

• .3333

Tags

CCSS.HSS.CP.A.3

CCSS.HSS.CP.B.6