Probability Review

Is the event INDEPENDENT or DEPENDENT?
You have a jar with 24 pieces of chocolate candy and 14 pieces of orange candy.  We take one piece of candy at random from the jar, put it back, and then take a second piece of candy at random from the jar.

• Independent
• Dependent

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

Is the event INDEPENDENT or DEPENDENT?
Amy plays card games.  She picks a card at random.  Then without putting the first card back, he picks a second card at random.

• Independent
• Dependent

Tags

CCSS.HSS.CP.A.2

CCSS.HSS.CP.A.3

CCSS.HSS.CP.A.5

CCSS.HSS.CP.B.8

Is the event INDEPENDENT or DEPENDENT?
The spinner is spun twice.  What is the probability that it lands on red first and then blue?

• Independent
• Dependent

Tags

CCSS.7.SP.C.8

There are 4 black marbles and 2 white marbles in a bag, what is the probability of choosing a black marble, not replacing it and then choosing white.

• 4/15
• 3/17
• 2/5
• 2/19

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

Randy has 4 pennies, 3 nickels, and 3 dimes in his pocket. If he randomly chooses 2 coins without replacement, what is the probability they are both dimes. 

• 1/15
• 2/27
• 3/19
• 4/21

Tags

CCSS.7.EE.B.3

There are 10 balloons in total, inside 4 of them is a piece of candy.what is the probability of choosing a random balloon that does not have a candy in it?

• 1/2
• 2/5
• 3/5
• 4/10

Tags

CCSS.7.SP.C.5

Victor picks a card at random. Without putting the first card back, he picks a second card at random.

• Dependent
• Independent

Tags

CCSS.HSS.CP.A.2

CCSS.HSS.CP.A.3

CCSS.HSS.CP.A.4

CCSS.HSS.CP.B.6

CCSS.HSS.CP.B.8

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

CCSS.7.SP.C.8

What is the probability of spinning an even number?

• 16 2/3%

• 33 1/3%

• 50%

• 75%

Andrew has white and black socks in a drawer. The probability of him pulling out a black sock is 1/5 . What is the likelihood of Andrew randomly pulling out a white sock?

• definite

• likely

• not likely

• impossible

Tags

CCSS.7.SP.C.5