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One question set, multiple game modes. Tap any game to see it in action. Not sure which to pick?
Answer to place stones and capture territory.
Outrun the snow together.
Earn blasts, then hunt the other teams.
Answer to earn energy, then climb.
Answer to charge your kart, then race.
Stack the tallest tower before it falls
The class blasts through walls together.
Bid on mystery lots. Most money wins.
Sell tours. Nice, standard, or a total scam.
Answer, restock, and serve the rush.
More correct answers pulls the rope your way.
Answer, then shoot down the alien wave.
Answer, then tap to leap the frozen ridge.
What type of random variable is obtained strictly by counting?
What type of random variable is obtained strictly by measuring?
Which variable represents the number of coins in your pocket?
Which variable represents the volume of water in a container?
Classify: Number of learners in a class.
Classify: Time it takes to walk to school.
Classify: Weight of a learner in a classroom.
Classify: Temperature recorded at noon.
Classify: Number of calls at a help desk.
Classify: Number of goals scored in a game.
What is the sum of all probabilities in a valid probability distribution?
What range must individual probabilities P(X) fall into?
If the probability of an event is 0.7, what is the probability of its complement?
Which letters are typically used to denote random variables?
Do the bars touch in a histogram for a discrete random variable?
Classify: Time spent studying for a math exam.
Classify: Number of text messages received today.
Classify: Weight of a loaded cargo truck.
Classify: Exact height of a school flagpole.
Classify: Number of pets owned by a family.
True or False: Discrete variables can take any decimal value within an interval.
True or False: Continuous variables result from measurement.
True or False: The sum of probabilities in a distribution can be equal to 1.5.
True or False: Capital letters like X or Y represent random variables.
True or False: Probability values can be negative.
Classify: Number of bananas on a tree.
Classify: Height of a building.
Classify: Number of passengers on a bus.
Classify: Amount of milk in a container.
Classify: Length of a rope.
What characteristic describes values of discrete random variables?
What characteristic describes values of continuous random variables?
If you roll a 6-sided die, what is the probability of rolling an even number?
If you roll a 6-sided die, what is the probability of rolling an odd number?
In tossing two fair coins, what is the probability of getting exactly 1 head?
In tossing two fair coins, what is the probability of getting 0 heads?
In tossing two fair coins, what is the probability of getting 2 heads?
What is the size of the sample space when tossing two coins?
Classify: Number of cars in a parking lot.
Classify: Distance traveled by a car on a full tank of gas.
Classify: Number of pages in a textbook.
Classify: Speed of an airplane during flight.
Classify: Number of dropouts in a school year.
Classify: Time spent waiting in line at a grocery store.
Classify: Number of laptops sold in a store.
True or False: Continuous random variables are usually represented by whole numbers.
True or False: The probability of any event must be less than or equal to 1.
What does a random variable's value depend on?
Classify: Number of questions in a test.
Classify: Weight of an apple picked from a tree.
Outrun the horde and crack the passcode.
Answer, then swat bugs for bonus points.
Race through questions at your own speed.
Same question on every screen. Fastest wins.
Pick a tile, answer, hit bonuses and steals.
