Exploring Random Sampling Techniques

What challenge does the host present to the guest?

• Guessing the number of marbles in a jar

• Predicting the weather

• Determining the ratio of white to black beads

• Solving a math problem

Tags

CCSS.RI.6.1

CCSS.RI.7.1

CCSS.RI.8.1

CCSS.RI.9-10.1

CCSS.RL.6.1

What does the host use to prove the existence of both white and black beads?

• A clear bag

• A white box

• A transparent jar

• A black bucket

Tags

CCSS.7.SP.C.5

What is the guest's initial reaction to making a guess about the number of beads?

• Eager to guess

• Indifferent

• Confident in guessing

• Refuses to guess

Tags

CCSS.RI. 9-10.1

CCSS.RL.6.1

CCSS.RL.6.2

CCSS.RL.7.2

CCSS.RL.8.1

How many black beads did the guest pick in the first 10 tries?

• Three

• Four

• Five

• Six

Tags

CCSS.7.SP.C.6

What was the guest's final guess about the ratio of white to black beads?

• 3:1

• 1:2

• 2:1

• 1:1

Tags

CCSS.7.SP.C.6

What does the host use to select the beads during the trials?

• A scoop

• A pair of tongs

• A hand

• A spoon

What was the actual ratio of white to black beads revealed by the host?

• 1:2

• 3:1

• 2:1

• 1:1

Tags

CCSS.7.SP.C.6

What does the guest believe about the accuracy of more trials?

• It depends on the number of beads

• It has no effect

• It decreases accuracy

• It increases accuracy

What does the host think about the guest's initial prediction?

• It was irrelevant

• It was a wild guess

• It was very close

• It was completely wrong

Tags

CCSS.RL.6.3

CCSS.RL.6.6

CCSS.RL.7.6

CCSS.RL.8.6

CCSS.RL.9-10.3

What does the guest suggest about the randomness of the selection process?

• It is biased

• It is completely random

• It is partially random

• It is predictable

Tags

CCSS.HSS.IC.B.3