Statistics and Probability

Probability can be between what two numbers?

• 10 and 20
• 0 and 100
• 0 and 1
• All Numbers are possible

Tags

CCSS.7.SP.C.5

Which event is not a dependent event?

• Picking 2 students 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 blue crayons from a box
• Picking an earring, replacing it, then picking a 2nd earring

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

You pick a marble from this bag.
What is the probability you will choose either a solid black or solid white marble?

• 3/5
• 9/100
• 1/10
• 2/5

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

What is the range of the following data set?

{2, 9, 5, 4, 7, 8}

• 6

• 7

• 5

• 8

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

What is the chance that you will spin a 6 twice in a row?

• 1/12

• 1/3

• 1/6

• 1/9

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

At a middle school, the 7th graders will conduct a survey for where to go on a field trip. Which method will result in the least biased decision?

• to randomly ask 8th grade students who went on a field trip last year
• to randomly choose some 7th grade students to select a location
• to ask all 7th grade teachers and administrators for a location
• to ask the student council to choose a location

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

A jar contains 2 pink, 6 red, and 4 blue marbles. If you pick one marble without looking, what is the probability that the marble you pick will be red or blue?

• 5/6
• 1/2
• 1/3
• 1/6

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

A number cube is rolled twice. What is the probability of getting a 6 on the first roll, then a number less than 5 on the second roll? 

• 2/3
• 5/36
• 1/9
• 1/36

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

The two spinners above are spun. What is the probability of getting a perfect square (1,4,9,16), then the letter Z? 

• 3/20
• 9/20
• 1/8
• 11/40

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

Sam is fishing in a new catch and release pond that was just stocked with 32 bluegill, 49 catfish, 27 bass, and 12 carp. He catches a fish, releases it, then catches another. What is the probability that he caught a bluegill, then a carp? 

• 5/24
• 11/30
• 2/75
• 7/60

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8