Probability Quiz 2

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

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

Layla has 2 pairs of shoes and 6 pairs of socks. If each pair of socks and each pair of shoes is equally like to be chosen, which is the best simulation to show the probability of choosing any given combination?

• roll a die and flip a coin
• roll a die two times
• flip a coin 6 times
• flip a coin 2 times

Samuel has 5 different colors of pens and 2 different colors of paper. Which model could be used to show how many different choices he has?

• spin a spinner with 5 sections, then flip a coin
• roll a die 5 times
• flip a coin 5 times
• roll a die, then flip a coin 5 times

• 1/2, 50%

• 1/3, 33.3%

• 2/3, 66.7%

• 1/5, 20%

• 0%

• 1/6, 16.7%

• 1/2, 50%

• 6/6 100%

• 0%

• 1/4, 25%

• 1/2, 50%`

• 100%

• 0%

• 1/2, 50%

• 1/6, 16.7%

• 100%

• 1/5, 20%

• 4/5, 80%

• 2/3, 66.7%

• 0% impossible

• 0%

• 1/2, 50%

• 2/3, 66.7%

• 100%