When you roll a die, there are 6 possible ___________.
What are outcomes?
100
You flip a coin 20 times and get 7 heads. This leads you to believe that the probability that you will flip heads is 7/20. This is an example of _________ probability.
What is experimental?
100
You roll a 6-sided die and then flip a coin. These are __________ events.
What is independent?
100
All students in a school is a population, whereas 30 students in the school is a _______.
What is sample?
100
The probability that it will snow today is zero. Describe the likelihood of the event.
What is impossible?
200
Is rolling an even number on a 6-sided die an experiment or an event?
What is event?
200
You randomly choose one song from a collection of 4 EDM songs, 2 folk songs, 3 rock songs, and 1 disco song. Find the probability of choosing a folk song.
What is 1/5?
200
You roll a 6-sided number cube twice. What is the probability of rolling an even and then an odd?
What is 1/4?
200
You want to know the number of students in your school who read the newspaper at least once a week. You survey 60 random students that you meet in the hallway between classes. Is the sample biased or unbiased?
What is unbiased?
200
You make a free throw 70% of the time. Describe the likelihood of the event.
What is likely?
300
If the event is picking a three in a standard deck of 52 cards, how many favorable outcomes are there?
What is 4?
300
You check 30 cartons of milk. Eight of them have an expiration date within the next 3 days. What is the experimental probability that a carton of milk will
have an expiration date within the next 3 days?
What is 4/15?
300
You choose a card from a deck of 52 cards, put it aside, and then choose a second card. What is the probability that the first card is a spade and the second card is red?
What is 13/102?
300
You want to know the average weight of the members of your family. Would you survey a sample or the population?
What is population?
300
Your football team has a 75% chance of winning a game. Your team is scheduled to play 16 games. Estimate how many games your team will win.
What is 12 games?
400
You roll two 6-sided dice. How many ways can a sum of seven occur?
What is 6 ways?
400
1200 packages of raisins are produced. An inspector randomly chooses 24 packages and discovers that 8 of the packages have broken seals. How many of the 1200 packages of raisins would you expect to have broken seals?
What is 400 packages?
400
You spin a spinner with sections numbered 1-5 and you flip a coin. What is the probability of NOT spinning a 5 and flipping tails?
What is 2/5?
400
A school survey asked 60 randomly chosen students if they exercise on a daily basis. Forty-five students said yes. If 627 students exercise today, predict the number of students who attend the school.
What is 836?
400
A pizza can have 3 types of crust, 2 types of sauce, 2 types of cheese, and 6 types of toppings. How many different pizzas can you make?
What is 72 different pizzas?
500
A beverage cooler contains bottles of iced tea and water. There are 44 bottles in the cooler. You are equally likely to choose a bottle of iced tea or a bottle of water from the cooler. How many of the bottles are water?
What is 22 bottles of water?
500
In a classroom, the probability that the teacher chooses a boy from 20 students is 0.45. How many students are NOT boys?
What is 11 students?
500
You are given number tiles ranging from 1-7. You randomly choose one of the tiles. Without replacing the first tile, you choose a second tile. Find the probability of choosing a factor of 6 and then a 5.
What is 2/21?
500
Mr. Fresch surveys a random sample of 48 out of 900 Pioneer students. Using the survey results, he predicts
that 225 students are in favor of the new dress code. How many of the 48 students surveyed were in favor of the new dress code?
What is 12 students?
500
Which sample is better for predicting the number of people at the beach who are wearing sunscreen?
Sample A: A random sample of 50 people at the beach.
Sample B: A random sample of 5 people at the beach.