Simulations

The questions on a multiple choice test each have 6 answer choices. Which model can be used to simulate randomly selecting the correct answer on a 20 question multiple choice test?

• rolling a six-sided number cube 6 times
• rolling a six-sided number cube 20 times
• spinning a spinner with 4 equal sized sections 4 times
• choosing 1 marble in a bag of 20 different colored marbles

Tags

CCSS.7.SP.C.8C

Which is the best way to represent answering 25 multiple-choice questions with 4 choices for each answer?

• spin a spinner with four sections 25 times
• roll a die 25 times
• flip a coin 25 times
• roll a die 4 times

Tags

CCSS.7.SP.C.8C

A certain brand of TV has a 50% chance of being defective. Which model could be used to determine the probability that when two TVs are chosen, they will both be defective?

• spin a spinner with 4 equal sections
• roll a die twice
• flip a coin twice
• flip a coin, then roll a die

Tags

CCSS.7.SP.C.8C

An ice cream parlor offers 15 different flavors of ice cream. Which model could be used to show how many different choices there are?

• spin a spinner with 5 sections
• flip a coin
• spin a spinner with 15 sections
• roll a die and flip a coin

Tags

CCSS.7.SP.C.8C

 A teacher wants to randomly choose 4 students to answer a series of questions. If there are 20 students in the classroom, describe a model that the teacher could use to simulate choosing these 4 students. 

• rolling a number cube 20 times
• spinning a spinner with 20 sections 4 times
• flipping a coin 20 times
• rolling a number cube and flipping a coin 20 times

Tags

CCSS.7.SP.C.8C

 A game requires drawing tiles with letters A through E for each of 8 slots to determine the winning code. Describe a model that could be used to simulate the selection of the number

• a number cube and a coin are flipped 8 times
• a spinner has 8 different sections and is spun 5 times
• a number cube is rolled 5 times
• a spinner has 5 different sections and is spun 8 times

Tags

CCSS.7.SP.C.8C

A cereal company is placing one of 6 different tickets into its boxes of cereal. If each ticket is equally likely to appear in a box of cereal, which model could be used to simulate the tickets you would find in 50 boxes of cereal?

• a coin that is flipped 50 times
• a spinner that has 4 sections that is spun 50 times
• a number cube that is rolled 50 times
• a coin is flipped and a number cube is rolled 50 times 

Tags

CCSS.7.SP.C.8C