Unit Five Review Probability

What is sample space?

• All of the Outcomes
• What Will Happen
• What Can Happen
• What I want to Happen

Tags

CCSS.7.SP.C.5

What is the probability of rolling 15 with a pair of dice?

• impossible
• unlikely
• equally likely
• likely

Tags

CCSS.7.SP.C.5

Draw a tree diagram in your math workbook.  Then answer this question. A girls' choir is choosing a uniform for their concert. They can pick red, green, or purple sweaters, and they can pick tan, white, or black skirts. The shoes they need come in gold and black. Assuming all the colors go together, how many different combinations can the choir pick?

• 3 combinations
• 8 combinations
• 12 combinations
• 18 combinations

Tags

CCSS.7.SP.C.8

What is the probability of spinning an even number?

• 16 2/3%

• 33 1/3%

• 50%

• 75%

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

Event A has a probability of 0.3. What is the probability of the complement of Event A?

• 30%
• 3/100
• 7/100
• 0.7

Tags

CCSS.7.SP.C.5

A bag contains:-5 red marbles-6 blue marbles-3 green marbles-4 black marbles-2 yellow marbles
A marble will be drawn from the bag and replaced 100 times. What is a reasonable prediction for the number of times a green or black marble will be drawn?

• 14
• 65
• 7
• 35

Tags

CCSS.7.SP.C.6

A jar contains 2 green marbles, 4 blue marbles, 3 yellow marbles, and 2 black marbles. A marble is chosen at random from the jar and replaced. Then a second marble is chosen at random. Find the probability of the first marble being green and the second marble being yellow. 

• 4/121
• 8/121
• 3/121
• 6/121

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

A coin and a number cube with the numbers 1 through 6 are tossed. What is the probability of the coin showing tails and the number cube showing the number 3? 

• 1/12
• 1/4
• 1/8
• 1/2

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.8

A bag contains 5 yellow, 4 green, and 2 blue marbles. One marble is drawn and immediately put back in the bag. Then a second marble is drawn. Identify whether the events are independent or dependent. 

• Independent
• Dependent

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

Two marbles are randomly drawn from a bag containing 3 purple, 1 blue, and 1 yellow marble. The first marble is blue and is not replaced. Find the probability of drawing a second marble that is purple. 

• 3/5
• 3/4
• 3/20
• 2/5

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8